Animals that Start with M

Clever, social, and highly intelligent, the macaque is among the most common primates in the world. The macaque is a genus of more than 20 Old World monkeys (meaning monkeys that originated from the Eastern Hemisphere). These are naturally charismatic primates with very complex behaviors and social structures. Many species have learned to live near […] Read More

The regal-looking Macaroni penguins can dive to a depth of 200 feet in the ocean! Macaroni penguins are found in the sub-Antarctic and on the Antarctic peninsula. They eat krill, fish, squid, and some crustaceans. These birds live in huge groups that include hundreds of thousands of penguins. They are black and white with a […] Read More

There are approximately 17 unique species of Macaw birds in the wild and in captivity today. All these birds are part of the Psittacidae family, which translates to “true parrots.” This parrot family further splits into two subfamilies: the Psittacinae and the Arinae, or Old World and New World parrots, respectively. Old World parrots include […] Read More

Famous ornithologists disagreed, then compromised on the name of MacGillivray’s Warbler! The MacGillivray’s Warbler is hard to distinguish from its doppelganger, the Mourning Warbler. Males of both species have gray heads, dark coloring from the top of their bills to their eyes, and black patches at the base of their necks. Their overall coloring and […] Read More

This intriguing hunter is often compared to a doglike saber-toothed tiger. Machaeroides was neither canine nor feline, however. It belonged to a clade of animals that has since gone extinct. We’ve compiled all you need to know about this unique Eocene Epoch animal. Let’s travel back 50 million years and explore the Machaeroides genus. 4 […] Read More

The Mackenzie wolf goes by many names, but their inherited genetics from the wolves before them make them one of the top hunters in the entire world. Their gray and white coat keeps them warm and hidden from anything they hunt, while their strong neck and jaw can take even the largest game (like bison […] Read More

Macrauchenia was a genus of camel-like mammals that belonged to the order Litopterna. This enigmatic ungulate lived on the South American continent during the Late Miocene to Late Pleistocene epochs. It became extinct between 20,000-10,000 years ago. Given the bizarre appearance of this mammal, classifying it has been a bit of a head-scratcher for scientists.  […] Read More

“The Madagascar hissing cockroach is one of the most recognizable cockroaches on the planet.” Madagascar hissing cockroaches don’t just make great pets, they’re also one of the most fascinating species of cockroach in the world. Native to the island of Madagascar off the coast of Africa, there are around 20 known types of hissing cockroaches—though […] Read More

“These graceful birds walk across lily pads.” Summary The Madagascar jacana (Actophilornis albinucha) is a tropical wader endemic to the Island of Madagascar, off the coast of Southern Africa. They are heavy jacanas, similar in appearance to the African species. This bird spends its days foraging for insects while walking across floating vegetation. This jacana […] Read More

The Madagascar tree boa is a beautiful nonvenomous snake that is born with a bright red base color that changes to green as it matures. This medium-sized boa sleeps in the trees and eats a variety of rodents, small mammals, birds, lizards, and eggs. 3 Amazing Facts About Madagascar Tree Boas When a female is […] Read More

The adult madora moth does not feed and only lives for 3 – 4 days Summary The adult madora moth is scientifically named Gonimbrasa belina. They are large, robust moths that do not feed and only mate before they die in 3- 4 days. The moth’s larva, referred to as “mopane worm”, feeds primarily on […] Read More

“Magellanic penguins are fast swimmers reaching speeds of 15 mph or more.” Magellanic penguins live on both the Pacific and Atlantic coasts of South America. They are carnivorous, flightless, seabirds with a diet of small fish and crustaceans. Named for the controversial Portuguese explorer, Ferdinand Magellan, this penguin species sports a unique, all-black coat of […] Read More

People may be disgusted by maggots since they are wormy and eat rotten and decaying matter, but they have their uses as fish bait and, when sterilized, as a clean-up crew on necrotic tissue. Maggots are the larvae of a fly. They are legless creatures that are no bigger than a grain of rice. They […] Read More

They search on the undersides of leaves for caterpillars. The magnolia warbler is a long-distance migrant who passes through the United States on its way to wintering and breeding grounds. They inhabit lush forest habitats, hiding their nests and foraging insects while singing light melodies. Their unique coloration makes them easy to spot as they […] Read More

“Magpies are able to recognize their own reflection in a mirror.” Magpies are birds that live in various habitats including grasslands, meadows, and on the edges of dense forests. These birds are omnivores and insects, berries, nuts, and even small rodents. They build large nests often with two entrances. Magpies are well known for their […] Read More

Sauropod dinosaurs are famous for their long necks and massive size. However, the Magyarosaurus is a typical exception to the rule. It was a dwarf sauropod dinosaur and is ranked as the smallest sauropod to have ever lived. This dinosaur lived from the early to late Maastrichtian Epoch of the Cretaceous Period. The small size […] Read More

Mahi-mahi, also called common dolphinfish, is a surface-dwelling ray-finned fish species that lives in temperate, tropical, and subtropical waters around the world. The dolphinfish is also often called mahi-mahi and is not related to the marine mammal dolphin. Mahi-mahi is considered one of the most beautiful ocean fish because of its shimmery, vivid colors. The […] Read More

“Maiasaura dinosaurs can grow to 31 feet long” Maiasaura Description and Size The Maiasaura was one of many dinosaurs described as duck-billed. It had a thick, flat nose or beak similar to a duck’s bill, but much bigger! The Maiasaura was estimated at 31 feet long and weighed 2.8 tons. It was thought to be […] Read More

The Maine Coon is a domesticated cat breed known as a gentle giant due to its medium to large size contrasting with its gentle, sweet, well-balanced personality. Although it started off as a mouser, it is popular as a family, companion, and therapy pet that is great with children, dogs, and other cats. It is […] Read More

The Mal Shi is a cross between the Maltese and Shih Tzu. They are an adorable breed that is extremely loyal and the ultimate lap dog. They are small, but their social personalities make up for their size. In addition, they are a low-shedding breed that might be the perfect fit for dog lovers with […] Read More

“The Mayalan Civet is the most distinguishable civet due to its dark legs and its long, striped tail” The species of civet is common in Southeast Asia, but is native to the Malay Peninsula. Also known as the Malay Civet and Oriental Civet, it inhabits the rainforests and tropical jungles in mainland Malaysia, the Phillippines, […] Read More

“The Five-Step Snake” The Malayan or blue krait is one of those snakes that people call a “five-step snake.” This means that if it bites and envenomates you, you can take about five steps before you drop dead. The blue krait isn’t quite that venomous, but its venom is indeed powerful. If a person isn’t […] Read More

Malayan tigers can reach running speeds of up to 40 mph and this critically endangered species is also known to be a great swimmer! As their name suggests, Malayan tigers live in Malaysia located in southeast Asia. They are the smallest subspecies of mainland tigers. Malayan tigers live alone except during breeding season. They’re carnivores […] Read More

The Malchi is not a purebred but a crossbreed and relatively new on the scene. That’s why they are not recognized by the American Kennel Club (AKC) or any other canine organization. The Malchi goes by many names, like Malachi or Maltechi, and it is a mix between the Maltese and Chihuahua. Just like their […] Read More

With an appropriate tailwind, the mallard can travel hundreds of miles a day. The mallard is the most familiar and recognizable duck in the entire world. Found almost anywhere in the Northern Hemisphere with a sufficiently large body of water, it is a type of dabbling duck that feeds near the surface of the water. […] Read More

Beagles are hunting dogs, but the Maltese is a toy breed. This means that your Malteagle will have an adventurous personality but will be more inclined to cuddle and play than to hunt around outdoors. A Malteagle is a cross between a Beagle and a Maltese. The result is a sweet, playful, and adventurous dog […] Read More

While their name suggests that Maltese dogs are from Malta, most people believe they were originally from south-central Europe. Maltese are a toy dog breed. They are hypoallergenic dogs with white hair. Maltese were most likely bred from Spitz type dogs. However, there is not a lot of written history about the origin of these […] Read More

The Maltese mix is a toy breed known for its affectionate, playful, and loyal temperament. They are excellent companion dogs and are perfect for indoor lifestyles! Their small size and charming personality make them perfect family dogs, especially for those who live in small homes or apartments. The breed is part of the toy group […] Read More

The origins of the Maltese Shih Tzu date back to the 1990s. Most of these dogs are the result of first-generation crosses, but there are second and third-generation crosses as well. The Maltese Shih Tzu (also known as the Mal-shi) is a mix of two popular toy breeds: the Maltese and the Shih Tzu. Together […] Read More

The Maltipom is a first-generation designer toy breed created by merging Maltese and Pomeranian parents. It has its origin in the United States. In combining the two, you end up with a lovable spark plug that has the potential to be low shedding and friendly to allergy sufferers. The Maltipom is an affectionate dog suited […] Read More

Breeders originally mixed Poodles and Maltese to create a breed that would make a good companion pet for individuals with allergies. Maltipoos are a loving, playful, and intelligent small-breed dog. They are a hybrid breed that is a cross between a Maltese and either a Poodle or a Miniature Poodle. Breeders originally mixed Poodles and […] Read More

The black mamba’s bite is called the “kiss of death” and will be fatal if left untreated. Mambas are venomous, fast-moving snakes found in Africa that can grow up to 14 feet long. Known for their venom and fearsome reputation, they are present in many African stories and legends. They are some of the most […] Read More

The Mamushi snake, which is also known as the Japanese moccasin or the Japanese pit viper, can grow to be over two feet long. With its blotchy pattern, this snake remains concealed from its prey so it can ambush them when they least expect it. One of the most well-known facts about this species is […] Read More

The Portuguese man o’ war is not a jellyfish as most people think. Despite its jelly appearance, the sea creature is a siphonophore. It is a colony organism made up of many smaller units that hang as tentacles from a gas-filled bladder. Each of these smaller units, called zooids, are identical, yet serve their own […] Read More

“Manatees are called sea cows. However, they are more closely related to an elephant.” Manatees are very large, gray sea animals who spend much of their time grazing on vegetation in shallow water. There are three different species of manatees that live in warm water in different areas of the world. Manatees are animals that […] Read More

Early Manchester breeders typically didn’t last long because they quickly grew frustrated with the shape of offsprings’ ears. Only a handful of enthusiasts persevered — and eventually, they got it right! Manchester terriers are excellent, attentive dogs that come in two sizes: standard and toy. The Sherlock Holmeses of the canine world, they’re impressively observant […] Read More

“This docile snake is a popular and long-lived pet – though challenging to care for – with a lifespan of up to 21 years!” Mandarin rat snakes are sought-after pets due to their calm, docile temperament and bright yellow bands. Originally from Asia, they are now kept as pets all over the world. Their diet […] Read More

“The mandrill has a truly unique appearance that sets it apart from other primates.“ Although nearly weighing as much as an ape, the mandrill is actually a type of monkey, splitting its time between the ground and trees. Its bright facial colors and oddly shimmering fur are instant head turners for gawking tourists and zoo-goers […] Read More

“The Maned Wolf is the largest canid in South America.” The Maned Wolf is found in Argentina, Brazil, Paraguay, and other countries in eastern and central South America. They have very long and skinny legs, making them the largest canine in South America. Their long legs almost make them look like a fox on stilts. […] Read More

“Mangrove snakes have weak venom.” The mangrove snake, which is also known as the gold-ringed cat snake, has bold black and yellow coloring along its slim body. Laying about 10 eggs per clutch, these eggs take 45 days to hatch into 8-inch long baby snakes. They are often mistaken for much deadlier snakes, though their […] Read More

The mangrove snapper isn’t as big as other species in the snapper family as they barely grow larger than 18 inches and weigh approximately 10 pounds. These fish are typically gray with dark dorsal and caudal fins. However, there is a wide variety between pale bars, small spots, and tail color depending on habitat and […] Read More

The manta ray, which is also sometimes called the devilfish, is the largest ray in the world. Highly intelligent and mostly solitary, they are found in all of the world’s oceans except for the freezing cold waters of the Arctic and Southern Oceans. Long living and slow to reproduce, the species is vulnerable to overfishing […] Read More

Mantella frogs are some of the most vibrantly colored, toxic, and tiny frogs in the world. Mantella frogs are a genus of 16 species, 11 of which are near threatened, vulnerable, endangered, or close to extinct. As a warning to predators, they are vibrantly colored with some having spots or patterns. Because of their colors […] Read More

“The Marabou Stork is the Largest Stork” Called the undertaker bird because from the back it looks like an elderly, black-suited undertaker going about his work, the marabou stork is a wading bird found in much of Africa. Though it can be bad-tempered if a human gets too close, this unsightly stork loves to be […] Read More

Marans chickens produce some of the darkest, chocolate-brown eggs in the world! Wandering the vast swamps of southwestern France more than 800 years ago, the indigenous ancestors of the Marans chicken began to breed with imported game fowl from afar. The resulting chickens were further developed over the centuries, incorporating desirable traits from a variety […] Read More

Misconceptions about the rare Marble fox still flourish and abound. Despite its unusual appearance, the marble fox is not a separate species at all. It’s really just a common wild fox with a unique black and white coat of colors, artificially selected by humans. It’s actually believed that the marble fox arose from a crossbreed […] Read More

It’s a breed with many names: the Maremmano, the Maremmano-Abruzzese Sheepdog, the Cane da Pastore Abruzzese, and as we’ll call it here, the Maremma Sheepdog. This fluffy herding dog is native to its namesake Abruzzo region and the Maremma marshlands of Italy, where it guarded sheep against predator wolves. Maremma Sheepdogs are still abundant, though […] Read More

Margays are one of the world’s most highly adapted cat species for climbing trees! The margay is a small, spotted cat native to South America, Central America, and Mexico. It is roughly the size of a domestic cat, and about a third of the size of its close relative, the ocelot. Margays are excellent climbers, […] Read More

Marine iguanas are the only lizards on earth to spend time in the ocean. Marine iguanas live on the Galápagos Islands, where they dine on Inter- and subtidal algae. They have several specific adaptations, including sneezing salt out of their bodies, allowing them to live in this environment. Marine iguanas living on San Cristóbal, Santiago, […] Read More

A large female marine toad can lay a clutch (group) of eggs numbering over 40,000. A marine toad is a carnivore that eats insects, small birds, rodents, and other amphibians. This toad grows to be four to six inches in length and weighs around two pounds. Females are normally larger than males. The average lifespan of a marine […] Read More

The markhor is the national animal of Pakistan. The markhor, a species of large, wild goat, is native to western and central Asia’s mountains and high-altitude monsoon forests. Also called the screw-horned goat or Shakhawat, it was considered to be the most challenging animal to hunt in British India due to the danger that pursuing […] Read More

“The pygmy marmoset is the smallest monkey in the world.” A marmoset is a group of over 20 different monkeys, spread across South America in rainforests and other lush areas. Though their population is threatened, they continue to be trafficked as pets, especially the common marmoset. Identification of this creature is rather easy – just […] Read More

“Marmots make a whistling sound to alert others around them of a predator in the area” A marmot animal is a rodent of medium size with brown fur on its head and back as well as yellow fur on its belly. This animal is a herbivore eating nuts, leaves, seeds, flowers, grass, and grains. They […] Read More

“Marsh frogs are the largest frogs that are native to Europe” Marsh frogs live in areas across Europe and parts of Russia as well as in regions of Saudi Arabia. They are carnivores eating a diet of flies, worms, slugs, spiders, and dragonflies. These frogs are excellent swimmers and expert jumpers. They have slick dark […] Read More

Interesting Fact “While other bears hibernate all winter, this bear likes to get up and stroll around.” Marsican Brown Bear Summary The Marsican brown bear is a critically endangered subspecies of the Eurasian brown bear. It is larger than typical brown bears and has the unique habit of staying semi-conscious and wandering around during winter […] Read More

Masiakasaurus is a genus of small theropod dinosaurs that lived in Madagascar during the Late Cretaceous (about 70.7–65.5 million years ago). Only one species of this dinosaur has been found to date. It was a small predator adapted to catching small and fast-moving prey. Scientists have a fairly complete picture of how this dinosaur may […] Read More

The masked angelfish is a type of marine fish. It is a ray-finned fish, endemic to the coastal reefs around Hawaii, their only location. All masked angelfish are born female, as is common in several other fish species. Once masked angelfish reach a certain age and size, the more dominant fish will become male and […] Read More

“Masked palm civets can spray a foul-smelling scent at predators to drive them away” Masked palm civets are arboreal spending most of their time in trees. They are omnivores eating both small animals and fruit. These mammals live in the south and Southeast-Asia. These civets live to be around 10 years old in the wild […] Read More

Mason bees in the genus Osmia are a diverse group of solitary bees known for their important role in pollination. With over 300 species worldwide Osmia bees are distributed across all continents except Antarctica. There are over 100 species of mason bees in North America! They are commonly found in a variety of habitats ranging […] Read More

“Massasaugas produce young every one to three years, depending on access to food” The Massasauga is often mistaken for the Fox Snakes, Hognose Snake, and Milk Snake. Markings that consist of black or brown splotches on these creatures are responsible for identification between the types of snakes being difficult. These rattlesnakes face habitat loss and […] Read More

The Mastador is often bred from one of the largest types of dogs in the world, the English Mastiff, which can easily reach 200 pounds. The Mastador is a cross between a Mastiff (usually the English Mastiff) and a Labrador Retriever. Both types of purebred dogs are very popular in the United States. As a […] Read More

The mastiff is known for its large size, friendliness, loyalty, and affectionate nature. There are several breeds of mastiffs including the Bull, English, Italian, Neapolitan, French, and Tibetan mastiffs. Though the color and appearance of the various breeds differ a little, they all share the same gentle temperament making this an ideal family dog. The […] Read More

Mastiffs are gigantic, dependable dogs, but when mixed with another breed, they can be even better. Additionally, their puppies are often larger than typical hybrids and could fall into the giant breed category. However, when combining two breeds, you never know what will happen or which traits it will inherit. Some mastiff mixes don’t even look […] Read More

The Mauzer is a mix between a  Maltese and a Schnauzer, making the cutest, energetic, and happy dog. This breed is low-maintenance and loyal; they make fantastic companions for seniors, couples, families with older kids, or singles. However, they can be stubborn and might nip if provoked, which is why training them from a young […] Read More

May beetles are also known as June bugs because they’re more active during the month of June.  Summary The name ‘May beetles’ applies to beetles in the genus Phyllophaga. They’re sometimes called June bugs because they tend to be more active and visible during that month of the year. May beetles are native to North […] Read More

Mayan Cichlid Summary Mayan cichlids, also known as Mexican mojarra, are a highly territorial species of fish from the American cichlid family. These fish can be found in the wild in Central America and in captivity in different parts of the world, where they are kept as pets in freshwater or brackish aquariums. The Mayan […] Read More

Mayflies are aquatic insects that get their name from the fact that the adult appears in May. Mayflies hatch out in large numbers in the spring but continue hatching until fall. Since the adult mayfly’s purpose is to reproduce, it has a short lifespan. Mayflies are beloved and celebrated creatures. There have been poems and […] Read More

The Meagle is a hybrid breed with an advanced sense of smell that is classed as a hound. The Meagle, a crossbreed between Miniature Pinscher and a Beagle, is a compact-sized hound that is fun to be around and makes a good pet for families. Their inquisitive nature is one of their most interesting characteristics, […] Read More

Adult mealworm beetles lay their tiny eggs in grain and grain containers, making it difficult for most homeowners to spot them. However, once they develop into larvae, they are easily seen as they are around an inch long. They adapt well to various habitats and occur in decaying animals, grains, grain products, and various plant […] Read More

Mealybugs are a type of unarmored scale insect found in warm, moist habitats around the world. Many species are pests because they cause damage to many plants, both indoors and outdoors. They also transmit plant diseases, inject plant toxins, and cause deformity, leaf drop, and sooty mold as they feed off plant sap. Mealybugs feed […] Read More

Classification The meerkat (Suricata suricatta) is a small species of foraging mammal that is found inhabiting the harsh conditions of the open and arid, semi-desert plains in southern Africa. Meerkats differ from the other mongoose species by being unusually sociable animals. Most mongooses are more solitary while meerkats are one of only 3 other species […] Read More

The indigenous peoples of Australia likely encountered Megalania over 40,000 years ago.  Description & Size Megalania, which means “Giant Romer” in Greek, was a very large Australian lizard that existed at the end of the Pleistocene Epoch. The first Megalania fossil discovery is attributed to English naturalist, Richard Owen, who named the animal Megalania prisca. […] Read More

The Megalochelys was a successful genus of giant tortoise that lived in Southeast Asia from the Miocene (about 5 million years ago) till the Pleistocene epoch (about 10,000 years ago). It is similar in anatomy to the Galapagos giant tortoise. However, it was significantly bigger. Standing at up to 2m in height, Megalochelys is considered […] Read More

The megalodon was the largest shark to ever live. With a size that could reach in excess of 50 feet and estimates for its weight stretching beyond 100,000 pounds, the megalodon was significantly larger than any other shark species on record. Learn about the largest ocean animals to have ever lived here. Incredible Megalodon Facts!  In January […] Read More

The megamouth shark is also known as the big-mouth shark. One of the most interesting facts about this shark is it was first spotted just a few decades ago in 1976. It’s a deepwater shark that’s rarely seen by humans making it all the more mysterious. The megamouth shark swims along slowly with its tremendous […] Read More

Insects today are pesky little things you can swat away with your palm. But they weren’t always this way. Like many animals from the past, prehistoric insects used to be massive in size. One such gigantic insect was the Meganeura. Meganeura was a group of giant insects that lived from the Late Carboniferous to the […] Read More

Looking at present-day sloths, it’s hard to imagine that at one point a giant slot—the Megatherium—was among the biggest land mammals to roam the Earth. Classification and Evolution Megatherium americanum, the “great beast from America,” is the only species of giant ground sloth from the Megatherium genus. This mammal belonged to the SuperOrder Xenarthra, comprised […] Read More

This turtle species had strange horns on the side of its head. These prevented it from being able to fully go inside its shell. Scientific Name Meiolania is an extinct turtle species that lived primarily on Lord Howe Island and mainland Australia. This species was originally thought to be a lizard species similar to the […] Read More

The Mekong giant catfish is the largest purely freshwater fish in the world The Mekong giant catfish is widely regarded as the largest purely freshwater fish in the world (excluding the species that migrate between saltwater and freshwater like the sturgeon). With their huge mouths and low-set eyes, these large shark catfish trawl the waters […] Read More

“Mergansers are large ducks that nest in hollow trees.” Summary The merganser is a long-bodied duck that spends its days afloat in freshwater lakes and rivers. These elegant diving birds have striking iridescent heads and crisp white feathers, making them easy to spot even when they flock with other ducks. They have an extensive range […] Read More

The Mexican alligator lizard lives about 130 feet in the air in Mexico’s cloud forests. This bright green lizard is listed as endangered as man destroys its habitat for agricultural purposes. There has been very little study of this lizard in the wild, but it lives for about 10 years in captivity. Only The Top […] Read More

“A subspecies of the common kingsnake.” The Mexican black kingsnake is one of the most popular snakes to keep as a pet due to how easy it is to take care of and the patent-leather beauty of its black scales. Even when it’s not in the house, residents of Arizona and the Sonoran Desert are […] Read More

The northern crested caracara will sometimes steal food from other birds. The northern crested caracara, also known as the Mexican eagle, is among the most common birds of prey in all of Central America. It is often considered to be its own separate species, but some taxonomists still classify it as a subspecies of the […] Read More

A close relative of the Mexican redknee tarantula. Mexican fireleg tarantula are bright orange, red and black tarantulas from southern Mexico. They are related to one of the most commonly recognized tarantulas, the Mexican redknee. These medium-sized tarantulas live in the desert scrub along the Pacific coast and make burrow in the ground where they […] Read More

“Mexican free-tailed bats can fly 47 mph” One colony can contain millions of Mexican free-tailed bats. They are carnivores eating dozens of insects each evening. These bats are the most common type found in Texas. Female bats give birth to one baby, also called a pup. They can live up to 18 years. 15,751 People […] Read More

“A species of lizard that looks like a worm” Mexican mole lizards are also called five-toed worm lizards. They are odd-looking and fascinating. They are a burrowing reptile species. They spend most of their time in underground burrows. Due to their appearance, they are sometimes mistaken for a snake. This makes some humans fear these […] Read More

Loosely translated from Greek, the Microraptor’s name means “small thief.” Scientific Classification and Evolution KingdomAnimaliaPhylumChordataCladeDinosauriaCladeSaurischiaCladeTheropodaFamilyDromaeosauridaeGenusMicroraptorSpecieszhaoianus, hanqingi, guiThe three species may be variations of one species that would be called zhaoianus. Description and Size The Microraptor is aptly named due to its small size. Researchers estimate that as an adult, these dinosaurs measured only about 2.5-3.1 […] Read More

The Midget faded rattlesnake is one of the most venomous rattlesnake species. These diminutive rattlesnakes hide in crevices and under scrub brush, waiting for their next meal. Midget faded rattlesnakes live in the Colorado and Green River basins, where their sand-colored bodies and faded patterns perfectly conceal them from predators and prey alike. 3 Amazing […] Read More

While they’re believed to share ancestry with the Shih Tzu, Yorkshire Terrier, and Japanese Chin, the exact lineage of the Miki isn’t entirely known. It was first introduced by breeder Maureen van Wormer — also known as Mikki Mackin — from Wisconsin. The toy-sized Miki didn’t come into existence until the 1980s, but this rare […] Read More

The milk snake is an elusive and interesting reptile, mimicking the appearance of much more dangerous snakes to deter predators. This snake has up to a 22-year lifespan when kept in captivity, which is nearly six times the amount of time they survive in the wild. With 24 different species, there are no conservation efforts […] Read More

Milkfish, whose other names include Bandeng and Bangos, are the last remaining living species of the Chanidae family. Five other previous genera are now extinct. This group of fish dates all the way back to the Early Cretaceous period in Earth’s history. It has roamed the warm, tropical waters of what are now the Indian […] Read More

Aphis nerii is better known as the milkweed aphid. Other common names for this small, sap-sucking insect include the oleander aphid, sweet pepper aphid, and Nerium aphid. You can find milkweed aphids in tropical regions worldwide, as well as areas with a Mediterranean climate. Unlike some aphids, the milkweed aphid likely ranks as an obligate […] Read More

The millipede belongs to the phylum of arthropods, falling under the same family as spiders and butterflies. They aren’t considered to be insects, though they have a hard exoskeleton that protects their body. Though some species of millipede are poisonous, they are largely without defense against natural predators. They have no pinchers, stingers, or claws […] Read More

Like their labrador retriever parents, mini labradoodles are known to be excellent swimmers. Try taking your pup out to a dog-friendly pool for a bit of fun on a hot summer day. When you cross a labrador retriever with a standard poodle, you get the labradoodle. But when breeders cross a labradoodle with a miniature […] Read More

Summary The Mini Lop is one of the cutest bunnies around, and that’s saying something. Not to be confused with the UK breed of the same name, this small lop originated in Germany in the 1950s. These first mini bunnies came from the German big lop and the small Chinchilla rabbit. Upon its discovery in […] Read More

Miniature Bull Terriers are happy-go-lucky, highly active, and exceedingly small in size. The miniature bull terrier is a friendly and active dog that only stands about 14 inches tall as an adult. This breed likes to get plenty of exercise, but there’s always a chance that their playtime can become a little rambunctious. They have […] Read More

A miniature Husky is a smaller version of the normal Siberian Husky. They have the same personality traits as the regular huskies and require special grooming to avoid shedding. Much like regular Huskies, the miniature Siberian huskies attract attention wherever they go. They are smaller in size but behave the same as a standard Husky […] Read More

The Miniature Pinscher comes from the German Pinscher, the Dachsund, and the Italian Greyhound. For being such a small dog, they have an incredibly high gait that no other pup can boast. Introduction Also known as the Zwergpinscher, the miniature pinscher has been loved for decades for the playful and energetic attitude for which it […] Read More

The mink is a semi-aquatic relative of the weasel. It is a proficient swimmer, a territorial neighbor, and a surprisingly tenacious predator. This animal may not look like much of a fighter, but the mink can take down prey that’s almost as large as itself. Even large predators must be careful about how to approach […] Read More

Minke Whales are the smallest of the Baleen Whales. Still, this mammal can weigh up to 20,000 pounds and grow to be up to 35 feet long. There are two main species of these whales. They are Common Minke Whales and Antarctic Minke Whales. These whales are black or dark gray with white bellies. There […] Read More

The Mississippi kite soars gracefully through the air, searching diligently for food below. They are among the most common birds of prey in the southern parts of the United States. Entire groups of these birds can be seen roosting together in the summer. There are many fun facts to discover about this fascinating bird of […] Read More

“When it feels threatened, this snake reveals its fangs and puffy, white mouth” Cottonmouth is among the many alternative names of the moccasin snake. It is a venomous snake living in the southeastern region of the United States. They are carnivores eating turtles, fish, frogs, snakes, and other small prey. Baby moccasin snakes are vulnerable […] Read More

Mockingbirds are incredible mimics that can learn up to 200 songs! There are 14 different species of mockingbirds, including the Northern Mockingbird, which lives in the United States, southern Canada, Mexico and parts of the Caribbean. The rest live further south, from Mexico through Central America, the Caribbean, and South America. Some live on islands […] Read More

The Modern Game chicken is a lanky fellow with legs that go for days! The Modern Game chicken has been described as looking like a ballerina, a velociraptor, or even a greyhound. I think it looks kind of like a lanky teenager in a pair of skinny jeans. However you describe them, Modern Game chickens […] Read More

The mojarra fish has brilliant silvery scales that give it a shimmering glow. The mojarra is a family of marine fish found all over the tropical regions of the globe. More than 40 species, depending on who’s counting, are currently recognized in the family. Some of the most common species include the Irish mojarra, spotfin […] Read More

Named after the Mojave Desert, the Mojave ball python is a co-dominant base morph of ball python. It was first developed in 2000 by Utah-based breeders Dan and Collette Sutherland at The Snake Keeper, Inc.  The Mojave trait significantly alters the affected snake’s patterning. Rather than having the usual banded or “alien head” body pattern […] Read More

“The Mojave rattlesnake is the most venomous rattlesnake in the world.” The Mojave rattlesnake, native to deserts of the southwestern United States and central Mexico, is a pit viper that looks much like the Western Diamondback rattlesnake. The snake hunts lizards, birds, and small rodents like the kangaroo rat mostly during the early morning, at […] Read More

The ocean sunfish (Mola mola) is perhaps the biggest bony fish in the world. These massive giants travel the world’s oceans in search of food to eat. Despite their size, they are considered to be fairly docile and gentle around human divers. Almost all recorded injuries have been the result of accidents. This article will […] Read More

“Moles are among the most remarkable diggers in the animal kingdom.“ In human culture, moles are animals that have sometimes conjured up images of industry and hard work. With their massive claws, they hollow out an impressive system of tunnels and chambers underneath soft, moist soil. These complex underground labyrinths provide defensive protection, a source […] Read More

“They stick slightly out of the sand and lift their antennae, creating a small V-shape wave as the water recedes.“ Summary The mole crab, or sand flea, is a decapod crustacean that lives in tropical or subtropical regions. They burrow in the wet sand near the beach wave-breaking zone, creating tiny V-shaped ripples with their […] Read More

The mole cricket is a family of burrowing insects (hence the name). Most of them have a shovel-like forelimb that enables them to dig through the dirt and create elaborate tunnels. Almost every aspect of the cricket’s life, including feeding, breeding, and protection from predators, take place underground, despite the fact that most of them […] Read More

“The mole snake can reach a length of 6.8 feet” The mole snake lives in the grasslands, deserts, savannas, and shrublands of South Africa. This snake is an expert at burrowing into the ground for shelter and in pursuit of prey. It feeds mainly on rodents and bird eggs. Though it’s not venomous, this snake […] Read More

Most molluscs have more than one heart Summary Mollusks are soft-bodied invertebrates in the phylum Mollusca. Members of this group are characterized by a soft body wholly or partially covered in a hard carbonate shell. The Mollusca phylum is one of the largest and most diverse groups of organisms in the world (second only to […] Read More

There are more than 40 recognized species of the Molly fish, but only a handful of them are popularly kept in aquariums. First identified by naturalists during the 1820s, molly fish are American fish that are primarily found in the wild in areas of North and South America. Since around 1899, the molly has been […] Read More

The food a Monarch eats as a caterpillar will provide the fuel for their migration as an adult butterfly. Monarch Butterflies are known for their very distinct orange, black, and white coloring. These amazing creatures go through four stages in their life cycle: egg, larvae, pupa, and adult. While some adult monarch butterflies may only […] Read More

Fast and agile, the mongoose is an animal that is an adept hunter that will feed on almost anything it can catch. The mongoose is a small, sleek animal (similar in appearance to a weasel) that roams the forests and plains of Asia and Africa. Because of its rather bold temperament, the mongoose has been […] Read More

A mongrel results from the unintentional breeding of two dogs. Mongrels, also known as mutts, are mixed-breed dogs. Unlike ‘designer’ mixed breeds, such as Golden Doodles, Cockapoos, or Puggles, a mongrel results from the unintentional breeding of two dogs. It is estimated that there are about 150 million mongrels around the globe. Many people prefer […] Read More

Lizards in the monitor lizard family are among the largest lizards in the world. These reptiles are mainly native to Asia, Africa, and Australia, but can also be found in parts of the Americas due to the illegal pet trade. Monitor lizards are known for their large claws, powerful tails, long necks, and well-developed legs. […] Read More

Monkeys are primates that comprise a wide range of species throughout much of the tropical world. Despite their raw variety, most of them face threats from human development, capture, and hunting. Though all monkeys have many similar characteristics and a close relationship to humans, an early evolutionary shift created two major groups today: “old” and […] Read More

Monkfish have one of the most unusual appearances in the animal kingdom, but are ferocious predators! Monkfish are part of the genus Lophius and are found along the coasts of the Atlantic Ocean and also in Asia. Long a favorite food staple in European cooking, the monkfish’s popularity has risen in other regions such as […] Read More

The monocled cobra is among the most dangerous snakes in the world. The monocled cobra, also known as the Indian spitting cobra, produces a lethal amount of venom that acts quickly to target the nervous system of its victim. While not quite as well known as the Indian cobra, it is nevertheless fairly common throughout […] Read More

The Monte Iberia eleuth is a dwarf frog (though it is often simply referred to as the Monte Iberia frog), only growing to be less than half an inch in length. In the entire world, the only frog that is quite as small is the Brazilian Golden frog. As part of the eleutherodactylid species, the […] Read More

The Moon Jelly is a type of jellyfish found throughout warmer waters of the Atlantic, Indian, and Pacific Oceans. These jellyfish prefer the coastal parts of the ocean such as harbors or inlets near the beach. They often wash up on the beach because they are not strong swimmers. Unlike many other species of jellyfish, […] Read More

“Moonglow boa constrictors are designer boa morphs that are white or nearly white.“ This white snake is similar to designer morphs of other species like ball pythons, in that breeders select snakes with specific genetic color and pattern mutations to breed together. Moonglow boas were first bred in the late 1990s and have since become […] Read More

Moorhens can walk on top of water plants in ponds and lakes. The common moorhen, also called the common gallinule, are birds that are found around the world, just about every place except for the polar regions and tropical jungles. These birds are black with distinctive yellow legs and a red beak with a shield […] Read More

“Largest of all deer species.” Moose are the largest of the deer species and the tallest mammals in North America. Found in the U.S., Canada, Asia, and Europe, fully grown adults stand six feet from ground to shoulder. They are identified by long faces, muzzles hanging over their chins, and a flap of skin swaying […] Read More

There are more kinds than you think! When most people think of a moray eel they think of a huge, secretive eel with tiny, cold eyes and jaws full of impressive fangs. But did you know there are over 200 species of these eels, and they live from the depths of the ocean to freshwater […] Read More

A Morkie puppy can weigh as little as 4 ounces. Cuteness must be exponential because when you cross an adorable Yorkshire terrier with a loveable Maltese, you get a Morkie, which is ten times cuter than either of its parents. With its tiny size, its big, soulful eyes, and its long silky coat, a Morkie […] Read More

The term “morpho butterfly” applies to any of 29 species and numerous subspecies within the genus Morpho. They inhabit the Neotropical regions of Mexico, Central America, and South America. These insects are famous for their iridescent wings, which are usually blue in color. As adults, they feed by sipping the juices of various food sources […] Read More

When people talk about prehistoric monsters, they typically refer to dinosaurs and other beasts that ruled the lands. But life in the Mesozoic was brutal on land and the seas. Among the ancient beasts that ruled the oceans of the world years ago was the Mosasaurus. It’s a genus of massive, aquatic, carnivorous lizards that […] Read More

The Moscow watchdog bite force has a bite force of 259 psi. The Moscow watchdog (Moskovskaya Storodzevay Sobaka) is a giant Russian service dog that was developed in the 1980s in the former Soviet Union. This hybrid is the result of a cross mainly between the St. Bernard and the Caucasian Ovcharka (Caucasian Shepherd Dog), […] Read More

Mosquitoes have been a scourge of humanity for thousands of years. They sometimes carry dangerous diseases, including malaria, yellow fever, West Nile, dengue fever, and Zika, which are responsible for numerous deaths every year. But the mosquito family is a very diverse bunch, and only a small percentage of species actually consume human blood. Most […] Read More

Moths are an extremely diverse species with more than 160,000 different types in the world, while there are only 17,500 species of butterfly. Most types of moths are nocturnal (active at night). During the day, they hide under the leaves of trees or find a way to get into a dark attic or basement of […] Read More

Mountain beavers, also called “boomers”, are not beavers at all. Their name derives from American and European beavers, as they similarly gnaw bark and tree limbs. However, in reality, these rodents are more closely related to squirrels. They are considered pests in the Pacific Northwest due to their destructive behavior toward forests and gardens and […] Read More

The mountain bluebird makes its home in the pristine landscapes of the western Americas. Sporting an elegant bright blue plumage, this species can be seen perching on fence posts, wires, and trees, where it makes a loud warbling sound. These are one of the most quintessential and widespread songbirds in the entire Americas. 4 Amazing […] Read More

Mountain Curs perform a variety of tasks from assisting on hunts to guarding livestock to working on farms. Mountain Curs are purebred hunting dogs, used for trailing and treeing raccoons, squirrels, and other small game. They may also be used for hunting larger animals, such as wild boar or bears. Mountain curs also make great […] Read More

Mountain Feists were bred in the southern United States as a small game hunting dog. To this day, they are often used to hunt rabbits, raccoons, and especially, squirrels. Mountain Feists are small, yet muscular dogs, initially bred by mountain pioneers to help with hunting vermin and other small game in rural areas of the […] Read More

Big yet gentle, fierce yet compassionate, the mountain gorilla is an interesting contrast of extremes. Deep within the cloud forests of central Africa, one of humanity’s closest living relatives lives peacefully among the trees. The mountain gorilla is a highly intelligent animal with a rich emotional and social life threatened by human encroachment and climate […] Read More

“Can jump to the height of a two-story building!” The mountain lion is a large, tan colored cat species native to North America, Central America and South America. In the United States, these cats live primarily in western states and Florida. Also called by the name cougar, puma, catamount and panther, mountain lions are animals […] Read More

The mourning dove is also called American mourning dove, grey dove, rain dove, or turtle dove, and was once called Carolina pigeon or Carolina turtledove. It is a member of the dove family, Columbidae. As one of the most common North American birds, it is famous for its easily recognizable silhouette, the mourning sound of […] Read More

The Mourning Warbler was named for its gray head, which resembles a mourning veil! The Mourning Warbler is a member of the Parulidae family of New World or wood warblers. It breeds primarily in Canada and the far northeastern United States, including the Great Lakes region and New England. It migrates through the eastern United […] Read More

The mouse is a small animal in the order Rodentia, with the most well-known species being the common house mouse. These mammals all have small bodies, rounded ears, a pointed snout, a long tail, and a high breeding rate. While the field mouse is well-known for invading homes for food and shelter, the house mouse […] Read More

Mouse spider is the common name for spiders in the Missulena genus. They are ambush predators that are frequently mistaken for funnel-web spiders. Female mouse spiders are rarely seen because they spend their entire lives in their burrows. Although mouse spider bites are uncommon, the spider is venomous. This spider mostly preys on insects, but […] Read More

The mouse-deer (also called the chevrotain) is a small, nocturnal mammal found in Southeast Asia’s forests. They are shy and elusive animals, and very little is known about them. It is the smallest hoofed mammal in the world, and it gets its name from its resemblance to mice and deer. They have a reddish-brown coat […] Read More

“Spitting cobras have openings in the front of their fangs so they can spit venom.” The Mozambique spitting cobra is a snake species native to Africa. It is a highly venomous type of cobra that is so named because it projects venom from its fangs into its attacker’s eyes, which can cause vision problems or […] Read More

“Rainbow Colored Snake of the South” If you look in a drainage ditch or a slow stream in the South and you see a little snake lying in a perfect circle at the bottom, it may be a mud snake. If you pick it up and it has a black and red belly and tries […] Read More

Mudi dogs, originally from Hungary, are able to keep track of a herd of 500 sheep or serve in search and rescue because of their laser-focused attention and alert observation. Have you ever heard of the Mudi? If not, it may be because there are possibly only a few thousand of these dogs in the […] Read More

The mudpuppy is a type of salamander, which is a type of amphibian. What is interesting about this unassuming animal, also called the waterdog, is that it stays in its larval, or immature stage all of its long life. The hatchlings of amphibians commonly spend their larval stage in water, breathing through gills. Eventually, they […] Read More

Mudskipper Summary A mudskipper is any of numerous species of amphibious fish belonging to the subfamily Oxudercinae. These fish derive their name from their habit of “skipping” across mudflats and burrowing into soft sediment. Their remarkable ability to walk and breathe on land distinguishes them from most other species of fish. In fact, they find […] Read More

“A stupid mule is still smarter than a good horse or a bad man.” What is a mule? Mules are a genetic hybrid that has been the workhorse of human civilization for millennia. Stronger than a horse, but gentler than a donkey, the mule combines all the best elements of both breeds into a package […] Read More

“Mule deer are one of the few deer species that can give birth to triplets or quadruplets!” Mule Deer Summary The mule deer is a species closely related to white-tailed and black-tailed deer. It is a successful species that is not endangered and enjoys a range in the mountains of western North America from Alaska […] Read More

The mulga snake, which is often referred to as the king brown snake, is a venomous snake that lives in most parts of Australia. Though it is sometimes raised in captivity, it is a species of Least Concern that often succumbs to the poison of the cane toad. It is known for fighting for dominance […] Read More

Mullet Fish clean up the sea, feasting on small plant matter and other detritus in the water. A popular fish for anglers, these fast-growing fish are common in warm, tropical waters. They like to swim near the surface and stay in schools when they go out to sea to spawn. Because they grow so quickly, […] Read More

The muntjac is characterized by short antlers and long canine teeth, both features of early “primitive” deer. The muntjac (pronounced munt-jack with an “uh” sound) is a genus of small deer native to Asia. It’s also known as the barking deer (because of the sound it makes) and the rib-faced deer (because of the bony […] Read More

The Muscovy duck is easily recognized by its bright red fleshy skin (caruncle) surrounding its eyes. This curious-looking bird originally inhabited tropical areas but has evolved to thrive in temperatures as low as 10°F. Muscovy ducks have provided sustenance to South American families for decades with their meat and eggs. However, feral colonies have popped […] Read More

Interesting Fact “Humans hunt this deer to use its musk in expensive perfumes.” Musk Deer Summary These are small deer with fang-like tusks that is native to Asia. It is a shy, nervous, and solitary animal. Males produce a strongly scented fluid during rutting (mating) season. Throughout history, this species has been hunted to harvest […] Read More

The muskellunge, commonly referred to as the muskie, is a large, predatory species found in freshwater lakes and rivers across North America. It is distinguished by its impressive elongated body, large mouth, and sharp teeth. Muskellunge fish are solitary creatures, rarely seen in groups. They feed on other fish, frogs, and small mammals and have […] Read More

“A male muskox can weigh up to 900 pounds.” Musk oxen have physical adaptations that allow them to live in the harsh Arctic climate year-round. They are herbivores eating grass, roots, flowers, lichen, moss, and other plant life. Musk oxen live in groups called herds. These large mammals can live up to 20 years. 5 […] Read More

The muskrat is a feisty rodent that splits its time between water and land. With its webbed feet and big rudder-like tail, the muskrat is a very well adapted and successful species that has a massive range across the freshwater wetlands and lakes of the Northern Hemisphere. Although it doesn’t engage in massive construction projects […] Read More

“It eats the fer-de-lance but is harmless to people.” The mussurana is a colubrid, and like many colubrid’s, it’s not the flashiest of snakes. Though mussurana babies begin life as colorful, they grow to be long, slender snakes in shades of gray, brown or black. What sets mussuranas apart is that they’re immune to the […] Read More

Description and Size Muttaburrasaurus (Muttaburrasaurus langdoni) was an iguanodontian ornithopod dinosaur that lived between 113 million and 100 million years ago during the Early Cretaceous period in northeastern Australia along the edge of the prehistoric inland Eromanga Sea. Being from the order Ornithischia, Muttaburrasaurus had a pelvic structure like modern-day birds. The herbivore measured about […] Read More

Muttaburrasaurus langdoni was discovered by local grazier Doug Langdon. The dinosaur is named after the town of Muttaburra in Queensland, Australia, as well as for Langdon. Having lived around 100 million years ago, during the Cretaceous period, it was an herbivore. Several specimens of Muttaburrasaurus have been found in central and northern Queensland. Some teeth […] Read More

The myna bird is called “The bird who prays.” Myna birds are passerines or songbirds. They don’t all belong to one species or even one genus. All of them, basically, are types of starlings and belong to the family Sturnidae. These intelligent, admittedly noisy, and fascinating birds have been introduced around the world, including in […] Read More