Animals that Start with M

Read below for information on 117 different animals that start with the letter M, from macaroni penguins to mules. The most popular animal that starts with the letter M is the millipede, an invertebrate with 80 to 400 legs. The least popular M animal is the marsh frog, a bright green amphibian that lives throughout Europe. Some fun facts about letter M name animals are:

  • Markhor have curled horns and are one of the least common animals in the world, with only 2,500 believe to be left in the wild
  • Mice are one of the few species found on every continent on earth
  • Mountain lionspumacougars, and catamounts are the same species and have no real natural predators

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Alphabetical List of Animals That Start with M

Animals that Start with M

A Macaque

Macaque females will pass on their social rankings to their daughters

A Macaroni Penguin
Macaroni Penguin

Gather in colonies of up to 100,000 members!

A Macaw

The largest species of parrot in the world!

A Machaeroides

Machaeroides had large saber-teeth, much like the saber-toothed tiger.

A Mackenzie Wolf
Mackenzie Wolf

Will travel up to 70 miles in a single day.

A Madagascar Hissing Cockroach
Madagascar Hissing Cockroach

One of the largest types of cockroach

A Magellanic Penguin
Magellanic Penguin

Threatened by oil spills!

A Maggot

Will only live in wet areas

A Magpie

They are found across Europe, Asia and Africa!

A Mahi Mahi (Dolphin Fish)
Mahi Mahi (Dolphin Fish)

It's called the rabbit of the ocean because it multiplies so quickly.

A Maiasaura

Maiasaura dinosaurs can grow to 31 feet long.

A Maine Coon
Maine Coon

Folklore says it's half cat, half raccoon!

A Malayan Civet
Malayan Civet

Also known as the Oriental Civet!

A Malayan Krait
Malayan Krait

It's called the five-step snake because if a person is bitten, they can walk about five steps before dying.

A Malayan Tiger
Malayan Tiger

Found in less-dense jungles!

A Malchi

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.

A Mallard

With an appropriate tail wind, the mallard can travel hundreds of miles a day

A Malteagle

Malteagles are one of the smallest beagle hybrids and love to follow their owners everywhere.

A Maltese

Originally bred in Europe!

A Maltese Shih Tzu
Maltese Shih Tzu

Both parent breeds, the Maltese and Shih Tzu, once entertained royalty

A Maltipoo

Maltipoos may have one of three different coat types depending on the specific genes they inherit from their parents. These include silky, curly, or wavy.

A Mamushi Snake
Mamushi Snake

The Mamushi snake, which is also known as the Japanese moccasin or the Japanese pit viper, can grow to be over two feet long.

A Man of War Jellyfish
Man of War Jellyfish

Named for an 18th century warship

A Manatee

Also known as the Sea Cow!

A Manchester Terrier
Manchester Terrier

Fences are no match for Manchester terriers. They’re great escape artists!

A Mandarin Rat Snake
Mandarin Rat Snake

"This docile snake is a popular and long-lived pet - though challenging to care for - with a lifespan of up to 21 years!"

A Mandrill

Distinctively coloured noses and rumps!

A Maned Wolf
Maned Wolf

Despite its name, the Maned Wolf is not actually a wolf.

A Manta Ray
Manta Ray

Can grow up to 9m wide!

A Mantella Frog
Mantella Frog

Some of the smallest and most brightly colored frogs in the world

A Marabou Stork
Marabou Stork

The marabou stork does not have a voice box.

A Marble Fox
Marble Fox

The marble fox is not a naturally occurring variant; it was created through artificial selection.

A Marine Iguana
Marine Iguana

Adult marine iguanas vary in size depending on the size of the island where they live.

A Marine Toad
Marine Toad

Produces a toxin used in arrow darts!

A Markhor

Less than 2,500 left in the wild!

A Marmot

A marmot spends 80% of its life below ground

A Marsh Frog
Marsh Frog

Has bright green skin!

A Masked Angelfish
Masked Angelfish

All masked angelfish are female until sometime after sexual maturity, at which point some become male.

A Masked Palm Civet
Masked Palm Civet

Found throughout Asia, India and China!

A Massasauga

The name “Massasauga” comes from the Chippewa language, meaning “Great River Mouth”.

A Mastador

The Mastador gets its enormous size from its Mastiff parent

A Mastiff

Courageous, calm and affectionate!

A Mayfly

There are 2,500 known species worldwide!

A Meagle

The Meagle has an incredible sense of smell.

A Mealybug

They have a symbiotic relationship with ants.

A Meerkat

One will stand on guard to watch for predators!

A Megalania

Some people believe that Megalania still exists in remote areas, although those beliefs have never been validated with evidence. 

A Megalodon

The largest shark to ever live!

A Megamouth Shark
Megamouth Shark

Swims with its mouth open to capture prey

A Megatherium

Megatherium probably used its lips more than its tongue when feeling for choice leaves in the treetops.

A Mekong Giant Catfish
Mekong Giant Catfish

The Mekong giant catfish is the largest purely freshwater fish in the world

A Mexican Alligator Lizard
Mexican Alligator Lizard

Mexican alligator lizards shed their skin like snakes.

A Mexican Black Kingsnake
Mexican Black Kingsnake

A subspecies of the common kingsnake

A Mexican Eagle (Northern crested caracara)
Mexican Eagle (Northern crested caracara)

The northern crested caracara mates for life with its partner

A Mexican Free-Tailed Bat
Mexican Free-Tailed Bat

Some colonies have millions of bats

A Mexican Mole Lizard
Mexican Mole Lizard

They can break off part of their tail, but it will not grow back.

A Midget Faded Rattlesnake
Midget Faded Rattlesnake

They're also called horseshoe rattlesnakes thanks to the shape of their markings.

A Miki

They can be trained to use the litter box like a cat!

A Milkfish

Females lay up to 5 million eggs at one time in warm, shallow and salty waters

A Millipede

Some species have a poisonous bite!

A Mini Labradoodle
Mini Labradoodle

The first mini labradoodle was bred in the early 1990s - almost immediately after standard labradoodles became popular.

A Miniature Bull Terrier
Miniature Bull Terrier

This dog has a very happy-go-lucky temperament.

A Miniature Husky
Miniature Husky

The Miniature Husky has a double coat that it sheds twice annually. Also, some people confuse them with Alaskan Klee Kai, which have similar blue eyes.

A Miniature Pinscher
Miniature Pinscher

Stable rodents were kept in check by using it as a barnyard ratter.

A Mink

The mink can swim up to 100 feet underwater.

A Minke Whale
Minke Whale

There are two recognised species!

A Mississippi Kite
Mississippi Kite

The Mississippi kite tends to form a monogamous pair bond for life

A Mojarra

The mojarra's protruding mouth allows it to sift along the seabed for food

A Mojave Rattlesnake
Mojave Rattlesnake

"The Mojave rattlesnake is the most venomous rattlesnake in the world."

A Mola mola (Ocean Sunfish)
Mola mola (Ocean Sunfish)

The ocean sunfish is the biggest bony fish in the world

A Mole

Primarily hunts and feeds on Earthworms!

A Mole Cricket
Mole Cricket

Adult Mole crickets may fly as far as 5 miles during mating season and are active most of the year.

A Mole Snake
Mole Snake

“The mole snake can reach a length of 6.8 feet”

A Molly

Known for their calm and peaceful nature!

A Monarch Butterfly
Monarch Butterfly

During migration, Monarch Butterflies may travel 250 or more miles each day.

A Mongoose

Range in size from just 1 to 3 foot!

A Mongrel

Has characteristics of two or more breeds!

A Monitor Lizard
Monitor Lizard

Some species are thought to carry a weak venom!

A Monkey

There are around 260 known species!

A Monkfish

Called "The Poor Man's Lobster!"

A Monocled Cobra
Monocled Cobra

The monocled cobra is responsible for the highest fatality rate of any snake in all of Thailand.

A Monte Iberia Eleuth
Monte Iberia Eleuth

The smallest frog in the Northern Hemisphere!

A Moon Jellyfish
Moon Jellyfish

Moon Jellies are bioluminescent, so they glow in the dark! They can also de-age!

A Moorhen

Feeds on aquatic insects and water-spiders!

A Moose

Renews it's enormous antlers every year!

A Moray Eel
Moray Eel

Sometimes, groupers invite moray eels to help them hunt!

A Morkie

A Morkie puppy can weigh as little as 4 ounces.

A Mosasaurus

The Mosasaurus was much longer than the fearsome Tyrannosaur rex.

A Moscow Watchdog
Moscow Watchdog

This Molosser-type dog is the Russian cousin of St. Bernard.

A Mosquito

Only the female mosquito actually sucks blood

A Moth

There are 250,000 different species!

A Mountain Bluebird
Mountain Bluebird

Depending on the time of the year, the mountain bird can live as far north as Alaska.

A Mountain Feist
Mountain Feist

Mountain Feists were bred in the southern United States as a dog that could help with hunting small game.

A Mountain Gorilla
Mountain Gorilla

Isolated populations found in the mountains!

A Mountain Lion
Mountain Lion

Has no real natural predators!

A Mourning Dove
Mourning Dove

It is almost always the male who makes the famous sad sound, which is a wooing call

A Mouse

Found on every continent on Earth!

A Mozambique Spitting Cobra
Mozambique Spitting Cobra

Mozambique Spitting Cobra is one of Africa's most dangerous snakes.

A Mudi

Mudi dogs have a reputation for being able to control a herd of 500 sheep.

A Mudpuppy

Mudpuppies never leave their larval stage. This is called neoteny.

A Mule

The offspring of a horse and donkey parents!

A Muntjac

The muntjac is the smallest type of deer in the world

A Muskox

Muskox have several physical characteristics that allow them to survive in the Arctic climate.

A Muskrat

The muskrat can stay underwater up to 17 minutes at a time

A Muttaburrasaurus

They stood about 26 feet tall and weighed more than 3 tons, as heavy as today's African forest elephants.

A Myna Bird
Myna Bird

For a nice price, the mynah bird makes a good pet.

A Megalodon

The largest shark to ever live!

A Maltese

Originally bred in Europe!

Newest Animals that Start with the Letter M

The most recently added Animals that start with the letter M.

A Machaeroides

Machaeroides had large saber-teeth, much like the saber-toothed tiger.

A Malchi

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.

A Mosasaurus

The Mosasaurus was much longer than the fearsome Tyrannosaur rex.

Animals that Start with M