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Mammals

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The official mammal class is Mammalia. Animals that are considered mammals include warm-blooded vertebrates that have hair or fur and whose babies drink milk. Unlike other animal types like birds and insects, all mammal babies drink milk that comes from their mother’s bodies. This is one of the key ways to know if an animal is a mammal. 

The 10 Mammal Characteristics – Listed

Mammals have many other unique characteristics compared to other animal types. You can use some of these key mammal markers to identify whether an animal is a mammal:

  1. Warm-blooded vertebrates – Mammals are endothermic, meaning they have a constant body temperature. Mammals are also vertebrates, meaning they have a backbone
  2. Red Blood Cells Without Nucleus – Mammals have adult (mature) red blood cells, known as erythrocytes, that lack a nucleus. This is unique compared to other vertebrates. 
  3. Has hair or fur – Mammals commonly have hair, or fur. Though hair and fur are chemically similar and both made of keratin, they are characteristically different. Hair is normally longer and thinner than fur, while fur is usually shorter and coarser. Both serve as insulators for animals. 
  4. Contains a Malleus, Incus, and stapes – The Malleus is a small bone in the middle ear that is shaped like a hammer. It connects the inner surface of the eardrum with the incus. Given it’s shape, the name is derived from the latin word for ‘mallet’. The incus is shaped like an anvil and serves a similar function, vibrating to transmit sound. The stapes is a stirrup shaped bone. Together they form the ‘hammer, anvil, and stirrup’, three of the smallest bones in the human body. The stapes is the actual smallest. 
  5. Able to produce milk – Mammals contain mammary glands. These glands give them the ability to produce milk to feed their offspring.
  6. A diaphragm – Mammals have a diaphragm sitting between their heart and lungs 
  7. Hinged Lower Jaw Connected To Skull – Mammals have a hinged lower jaw that connects directly to the skull. By comparison, all over vertebrates connect through another bone known as the quadrate. This mammal articulation allows them to more easily grasp and chew food, as well as chew sideways. 
  8. Left aortic arch – In mammals, the fourth (left) pharyngeal artery is most commonly the arch of the aorta. This differs compared to other animal types. There can be rare cases where mammals have a right aortic arch variant. 
  9. Neocortex – Mammals commonly have a neocortex in their brain. This specialized region allows them to both hear and see.
  10. Live Birth6 – Mammals are viviparous, meaning they give birth to live babies. There are three different types of mammal birth. Monotremes, marsupial, and placental mammals, discussed further below. 

Mammal Exceptions

There are some exceptions to the mammal criteria. Whales are mammals but they are born without hair or fur as it has typically gone after the fetal stage. Yes, that means the blue whale is in fact a mammal!

Monotremes like the duck-billed platypus and echindnas are a whole category of egg-laying mammals that are the only mammals which do NOT give birth to live young. INstead, animals like the platypus and echindnas actually lay eggs.

The Three Different Types of Mammal Births

Monotremes

A rare and unusual category of mammal birth where the animal lays eggs. There are only five known monotremes mammals on the planet, with the platypus and echidna’s being the most well known.

Marsupial

Marsupial mammals give birth to their young before they are fully developed. The babies then complete their growth outside of the mother but in a ‘pouch’. Well known marsupial examples include kangaroos, opossums, and wombats. 

Placental Mammals

Members of this birth group have a birth procedure containing a placenta. The presence of a placenta transfers important nutrients between the mother and offspring, helping protect the young and ensure a well developed birth. Placental births are the most common among all mammals with examples including dogs, horses, cats, and humans. 

Types of Mammals

A Aardvark
Aardvark

Can move 2ft of soil in just 15 seconds!

A Abyssinian
Abyssinian

The oldest breed of cat in the world!

A Affenpinscher
Affenpinscher

First bred in 17th century Germany!

A Afghan Hound
Afghan Hound

First used as a shepherd and hunter!

A African Bush Elephant
African Bush Elephant

Can drink up to 50 gallons a day

A African Civet
African Civet

Secretes up to 4g of musk every week!

A African Forest Elephant
African Forest Elephant

Have large rounded ears to help keep them cool!

A African Palm Civet
African Palm Civet

Solitary but gathers in groups!

A African Wild Dog
African Wild Dog

Also known as the painted dog!

A Ainu
Ainu

An innate sense of direction!

A Airedale Terrier
Airedale Terrier

Very intelligent, independent and strong-minded!

A Airedoodle
Airedoodle

This is a great pooch for rough-housing and one-to-one.

A Akbash
Akbash

Often used as a guard dog!

A Akita
Akita

Very clean, intelligent and loyal!

A Alaskan Malamute
Alaskan Malamute

Often used as sled dogs!

A Alaskan Shepherd
Alaskan Shepherd

This dog’s Malamute ancestors once came to America across the Bering Strait.

A Alpaca
Alpaca

They can spit up to 10 feet.

A Alpine Dachsbracke
Alpine Dachsbracke

Good companion and hard-working breed!

A Amazon River Dolphin (Pink Dolphin)
Amazon River Dolphin (Pink Dolphin)

Also known as the 'Pink Dolphin'

A American Alsatian
American Alsatian
A American Bulldog
American Bulldog

Can jump up to 6ft high!

A American Cocker Spaniel
American Cocker Spaniel

Merry, outgoing, and eager to please!

A American Coonhound
American Coonhound

Easygoing and people-friendly!

A American Eskimo Dog
American Eskimo Dog

The American Eskimo has splendid all white fur and an upturned tail

A American Foxhound
American Foxhound

Sweet, kind, loyal, and very loving!

A American Hairless Terrier
American Hairless Terrier

The American hairless terrier comes in two varieties with one having a very short coat.

A American Pit Bull Terrier
American Pit Bull Terrier

These dogs are very energetic and would be up for a game at any given point of time

A American Staffordshire Terrier
American Staffordshire Terrier

Bred to be extremely friendly!

A American Water Spaniel
American Water Spaniel

Friendly and intelligent!

A Amur Leopard
Amur Leopard

The Amur leopard may be the rarest big cat on Earth!

A Anatolian Shepherd Dog
Anatolian Shepherd Dog

Guards it's master's flocks!

A Anteater
Anteater

Found throughout the Southern Hemisphere!

A Antelope
Antelope

Renew their horns every year!

A Appenzeller Dog
Appenzeller Dog

Herding dog by nature!

A Arctic Fox
Arctic Fox

Extremely thick winter fur!

A Arctic Hare
Arctic Hare

Eats berries found in the snow!

A Arctic Wolf
Arctic Wolf

Incredibly versatile and adaptive!

A Armadillo
Armadillo

Can curl into a hard, protective ball!

A Asian Elephant
Asian Elephant

Domesticated for hundreds of years!

A Asian Palm Civet
Asian Palm Civet

It mainly eats mangos and coffee!

A Asiatic Black Bear
Asiatic Black Bear

Known to eat 160 different tree-borne fruits in Thailand!

A Aussiedoodle
Aussiedoodle

The breed has its own popular Instagram page (Aussiedoodles Daily)!

A Aussiedor
Aussiedor

Aussiedors come in black, brown, cream, yellow, and almost every imaginable color due to their parentage!

A Australian Cattle Dog
Australian Cattle Dog

High energy levels and active minds!

A Australian Kelpie Dog
Australian Kelpie Dog

Friendly, intelligent and energetic!

A Australian Labradoodle
Australian Labradoodle

The "Australian" just refers to where the breed originated

A Australian Mist
Australian Mist

First bred in the 1700s!

A Australian Shepherd
Australian Shepherd

Sweet, faithful and affectionate!

A Australian Terrier
Australian Terrier

Spirited, alert and courageous!

A Axolotl
Axolotl

Found only in one complex of lakes!

A Aye Aye
Aye Aye

Thought to be extinct until 1957!

A Baboon
Baboon

Can travel more than four miles a day!

A Bactrian Camel
Bactrian Camel

The camel with two humps!

A Badger
Badger

Can reach speeds of 30 km/h!

A Balinese
Balinese

Playful and energetic breed!

A Banded Palm Civet
Banded Palm Civet

Markings give it camouflage!

A Bandicoot
Bandicoot

Bandicoot Many species are endangered or extinct!

A Basenji Dog
Basenji Dog

Alert, affectionate and energetic!

A Bassador
Bassador

This dog is also known as a Bassetdor or a Basset Lab.

A Basset Fauve de Bretagne
Basset Fauve de Bretagne

A friendly and intelligent hunting dog that loves nothing more than to spend time with its owner.

A Basset Hound
Basset Hound

Forget the training when not rewarded!

A Bassetoodle
Bassetoodle

Basset hounds have been around since the 7th century, but the bassetoodle made its first appearance in the 2000s.

A Bat
Bat

Detects prey using echolocation!

A Bavarian Mountain Hound
Bavarian Mountain Hound

Calm, quiet and poised!

A Beagador
Beagador

Beagadors like to dig, so make sure your garden has a good fence around it.

A Beagle
Beagle

Have become popular family pets!

A Beago
Beago

Beagos are good swimmers like their Golden Retriever parent.

A Bear
Bear

There are 8 different species!

A Bearded Collie
Bearded Collie

Weekly brushing is mandatory!

A Beaver
Beaver

Builds a dam from sticks and leaves!

A Bedlington Terrier
Bedlington Terrier

Highly active and intelligent dogs!

A Bengal Tiger
Bengal Tiger

The most numerous species of tiger!

A Bernedoodle
Bernedoodle

The Bernedoodle was first bred in 2003 to create a dog with a similar temperament to the Bernese Mountain Dog that would have a longer lifespan.

A Bernese Mountain Dog
Bernese Mountain Dog

Very loyal, faithful and affectionate!

A Bernese Shepherd
Bernese Shepherd

Bernese shepherds prefer cool climates

A Bichon Frise
Bichon Frise

Gentle mannered, playful and affectionate!

A Bichpoo
Bichpoo

Despite its small size, the alert nature and sharp bark of this canine make it a good watch dog.

A Biewer Terrier
Biewer Terrier

A toy terrier dog and is elegant and tri-colored.

A Binturong
Binturong

Also known as the Asian Bearcat!

A Birman
Birman

Also known as the Sacred Cat of Burma!

A Bison
Bison

Largest mammal in North America!

A Black Rhinoceros
Black Rhinoceros

Horns can grow to 1.5m!

A Black Russian Terrier
Black Russian Terrier

Confident, calm and highly intelligent!

A Bloodhound
Bloodhound

Affectionate, gentle and even-tempered!

A Blue Lacy Dog
Blue Lacy Dog

Originated in Texas in the mid 1800s!

A Blue Whale
Blue Whale

The largest animal on Earth

A Bluetick Coonhound
Bluetick Coonhound

Has an uncanny knack for problem-solving!

A Bobcat
Bobcat

About double the size of a domestic cat!

A Boglen Terrier
Boglen Terrier

Boglen terriers are also occasionally known as boggles.

A Bolognese Dog
Bolognese Dog

From the northern Italian city of Bologna!

A Bombay
Bombay

Bred to look like a black panther!

A Bongo
Bongo

Long and heavy spiralled horns!

A Bonobo
Bonobo

Shares 97% of the same DNA as humans!

A Borador
Borador

Boradors make excellent police dogs and are used often on search and rescue missions.

A Border Collie
Border Collie

Highly intelligent and alert breed!

A Border Terrier
Border Terrier

Small, rough-coated breed of terrier!

A Bordoodle
Bordoodle

Bordoodles are much quieter than other Doodles and require far less exercise.

A Borkie
Borkie

Most Borkies inherit the signature howl of their Beagle parent.

A Bornean Orang-utan
Bornean Orang-utan

Known to use large leaves as umbrellas!

A Borneo Elephant
Borneo Elephant

The smallest species of elephant!

A Boston Terrier
Boston Terrier

Friendly, lovable and very strong!

A Bottlenose Dolphin
Bottlenose Dolphin

Stays in groups from 15 to 2,000 in number!'

A Bowhead Whale
Bowhead Whale

Bowhead Whales can make hundreds of distinct songs they use to communicate with one another.

A Boxador
Boxador

Boxadors are extremely smart and catch onto backyard games very quickly!

A Boxer Dog
Boxer Dog

Bright, energetic and playful!

A Boxerdoodle
Boxerdoodle

The Boxerdoodle has a strong hunting dog lineage.

A Boykin Spaniel
Boykin Spaniel

Enthusiastic working dog!

A Brazilian Terrier
Brazilian Terrier

Small body and tri-coloured coat!

A British Timber
British Timber
A Brown Bear
Brown Bear

A dominant predator in it's environment!

A Buffalo
Buffalo

Has no real natural predators!

A Bull Shark
Bull Shark

Unpredictable and aggressive temperament!

A Bull Terrier
Bull Terrier

Needs to be kept active!

A Bulldog
Bulldog

Friendly, loving and docile!

A Bullmastiff
Bullmastiff

Courageous, loyal and calm!

A Burmese
Burmese

Adoring, elegant and affectionate!

A Cairn Terrier
Cairn Terrier

Intelligent, lively and strong!

A Camel
Camel

Can survive without water for 10 months!

A Canaan Dog
Canaan Dog

Has a strong survival instinct!

A Canadian Eskimo Dog
Canadian Eskimo Dog
A Capybara
Capybara

Excellent at both diving and swimming

A Caracal
Caracal

Has 20 different muscles in it's ears!

A Carolina Dog
Carolina Dog

Wild dog breed discovered in the 1970s!

A Cat
Cat

First domesticated by the Ancient Egyptians!

A Cavador
Cavador

The Cavador is a good service dog.

A Cavalier King Charles Spaniel
Cavalier King Charles Spaniel

Highly playful and affectionate!

A Cavapoo
Cavapoo

The temperament of a Cavapoo allows this breed to make an excellent family dog as well as a great therapy dog.

A Cesky Fousek
Cesky Fousek

An affectionate hunting dog!

A Cesky Terrier
Cesky Terrier

This breed is also known as the Bohemian Terrier (Bohemia was an historical Medieval kingdom and a region of the modern Czech Republic)

A Chameleon
Chameleon

There are more than 160 different species!

A Chamois
Chamois

Natively found in the European mountains!

A Cheetah
Cheetah

The fastest land mammal in the world!

A Chesapeake Bay Retriever
Chesapeake Bay Retriever

Bright and happy disposition!

A Chihuahua
Chihuahua

Curious and devoted personality!

A Chimpanzee
Chimpanzee

Has 32 teeth including fang-like canines!

A Chinchilla
Chinchilla

Natively found in the Andes Mountain range!

A Chinese Crested Dog
Chinese Crested Dog

A hairless breed of dog!

A Chinook
Chinook

A calm and friendly breed!

A Chipmunk
Chipmunk

There are 25 different species!

A Chipoo
Chipoo

The Chipoo was first bred in the 1970s

A Chorkie
Chorkie

Chorkies are very fond of their owners and will love to sit in their laps for long amounts of time!

A Chow Chow
Chow Chow

Loyal and affectionate to it's family!

A Chow Shepherd
Chow Shepherd

The Chow Shepherd is also known as the Sheprachow.

A Clouded Leopard
Clouded Leopard

Has canines that can be two inches long!

A Clumber Spaniel
Clumber Spaniel

Has a thick, soft coat!

A Coati
Coati

Found in dense forests and wet jungles!

A Cockapoo
Cockapoo

Fun fact Cockapoos became popular in the 1960s as a sweet, family dog.

A Collared Peccary
Collared Peccary

Form bands of up to 12 individuals!

A Collie
Collie

Gentle and devoted!

A Common Toad
Common Toad

Most active in wet weather!

A Corgidor
Corgidor

Corgidors are herding dogs that typically help out on cattle farms.

A Corgipoo
Corgipoo

These dogs are highly intelligent and are easy to train.

A Corkie
Corkie

One of the Corkie’s parent breeds, the Cocker Spaniel, was thought to have come over on the Mayflower.

A Cotton-top Tamarin
Cotton-top Tamarin

Found in tropical forest edges!

A Cougar
Cougar

Largest feline in North America

A Cow
Cow

There are nearly 1.5 million worldwide!

A Coyote
Coyote

Also known as the Prairie Wolf!

A Crab-Eating Macaque
Crab-Eating Macaque

Found throughout the South-East Asian jungles!

A Cross River Gorilla
Cross River Gorilla

Less than 300 remaining!

A Curly Coated Retriever
Curly Coated Retriever

A lively and fun-loving breed!

A Cuscus
Cuscus

Has a long, strong prehensile tail!

A Dachsador
Dachsador

This hybrid dog is also known as a Doxador or a Weinerdor.

A Dachshund
Dachshund

Fun and playful breed of small dog!

A Dalmadoodle
Dalmadoodle

Dalmatians were originally bred to run alongside carriages, and their dalmadoodle descendents have the same long legs and high energy.

A Dalmador
Dalmador

Dalmador breeding skyrocketed after the 16 release of the live-action 101 Dalmatians movie.

A Dalmatian
Dalmatian

Have an energetic and playful nature!

A Deer
Deer

There are around 40 different species!

A Deutsche Bracke
Deutsche Bracke

Has long drop ears and a long narrow tail!

A Dhole
Dhole

Only 2,000 left in the wild!

A Dingo
Dingo

Natively found on the Australian continent!

A Doberman Pinscher
Doberman Pinscher

A gentle, loyal and loving breed!

A Dog
Dog

First domesticated in South-East Asia!

A Dogo Argentino
Dogo Argentino

Loyal and affectionate to their family!

A Dogue De Bordeaux
Dogue De Bordeaux

Extremely loyal and devoted to it's master!

A Dolphin
Dolphin

Can reach speeds of up to 25 mph!

A Donkey
Donkey

First domesticated 5,000 years ago!

A Dorkie
Dorkie

Dorkies are so laid-back they sometimes need extra incentive to exercise each day.

A Dormouse
Dormouse

Found in Europe, Africa and Asia!

A Double Doodle
Double Doodle

Exact origin unknown.

A Doxiepoo
Doxiepoo

Doxiepoos are an unpredictable breed that can come in a variety of appearances and sizes.

A Drever
Drever

Uncommon outside of Europe!

A Dugong
Dugong

Closely related to the Manatee!

A Dunker
Dunker

A friendly and relaxed dog!

A Dusky Dolphin
Dusky Dolphin

Communicates using whistles, squeaks and clicks!

A Eastern Gorilla
Eastern Gorilla

The largest primate in the world!

A Eastern Lowland Gorilla
Eastern Lowland Gorilla

Less than 5,000 in the wild!

A Echidna
Echidna

Also known as the Spiny Anteater!

A Egyptian Mau
Egyptian Mau

An ancient breed of domestic cat!

A Elephant
Elephant

Spends around 22 hours a day eating!

A Elephant Seal
Elephant Seal

The largest species of seal in the world!

A Elephant Shrew
Elephant Shrew

Found exclusively on the African continent!

A Emperor Tamarin
Emperor Tamarin

Has an elegant white moustache!

A English Cocker Spaniel
English Cocker Spaniel

Intelligent yet stubborn by nature!

A English Shepherd
English Shepherd

Highly intelligent and independent!

A English Springer Spaniel
English Springer Spaniel

Friendly and eager to please!

A Entlebucher Mountain Dog
Entlebucher Mountain Dog

Native to parts of the Swiss Alps!

A Epagneul Pont Audemer
Epagneul Pont Audemer

Hard-working, gentle and affectionate!

A Ermine
Ermine

A very bold and ferocious predator!

A Eskimo Dog
Eskimo Dog

Takes pure delight in cold weather!

A Eskipoo
Eskipoo

Eskipoos are called pookimos by the American Canine Hybrid Club, Designer Dogs Kennel Club, and Designer Breed Registry.

A Estrela Mountain Dog
Estrela Mountain Dog

Very protective and stubborn!

A False Killer Whale
False Killer Whale

The false killer whale looks like a cross between a dolphin and orca!

A Fennec Fox
Fennec Fox

Found in the African Sahara Desert!

A Ferret
Ferret

Ferrets can be trained to do tricks like dogs!

A Field Spaniel
Field Spaniel

A sociable and adaptable breed!

A Fin Whale
Fin Whale

Found throughout ocean waters worldwide!

A Finnish Spitz
Finnish Spitz

Likes to bark a lot!

A Fishing Cat
Fishing Cat

Scoops fish out of the water using it's paw!

A Flat-Coated Retriever
Flat-Coated Retriever

A game retrieving gun-dog!

A Flying Squirrel
Flying Squirrel

Can glide up to 90 meters!

A Fossa
Fossa

Most closely related to the Mongoose!

A Fox
Fox

There are 12 different species in the world!

A Fox Terrier
Fox Terrier

First bred in the mid-19th century!

A French Bulldog
French Bulldog

French bulldogs are known to be very sensitive, harboring emotions that they love to express

A Fur Seal
Fur Seal

Found only in the Northern Hemisphere!

A Geoffroys Tamarin
Geoffroys Tamarin

Has distinctive V shape on head!

A Gerberian Shepsky
Gerberian Shepsky

German Shepherds, Siberian Huskies, and Gerberian Shepskies are all popular choices for police dogs.

A Gerbil
Gerbil

Originally known as the Desert Rat!

A German Pinscher
German Pinscher

Highly intelligent and fast learners!

A German Shepherd Guide
German Shepherd Guide

Highly active and fearless dogs!

A German Sheppit
German Sheppit

The German Sheppit is well-suited for guarding and police work.

A German Sheprador
German Sheprador

There is a chance that the German Sheprador may inherit a love for water from its parent.

A Giant Panda Bear
Giant Panda Bear

Bamboo makes up 99 per cent of their diet!

A Giant Schnauzer
Giant Schnauzer

Large, powerful and dominant!

A Giant Schnoodle
Giant Schnoodle

Both parents of the Giant Schnoodle are hypoallergenic, making this one of the Doodle breeds that's safest for dander-sensitive owners.

A Gibbon
Gibbon

Found in dense jungles and tropical forests!

A Giraffe
Giraffe

Long, black tongue can grow to 18 inches long!

A Glen Of Imaal Terrier
Glen Of Imaal Terrier

This dog is also named the Wicklow Terrier after the county of its origin.

A Goat
Goat

Most closely related to the Sheep!

A Goldador
Goldador

Goldadors were not intentionally bred until the early 2000s!

A Golden Lion Tamarin
Golden Lion Tamarin

Native to the eastern rainforests of Brazil!

A Golden Retriever
Golden Retriever

Trusting, kind and gentle!

A Golden Shepherd
Golden Shepherd

The Golden Shepherds were first recognized by the International Designer Canine Registry in 2009.

A Golden-Crowned Flying Fox
Golden-Crowned Flying Fox

They eat figs almost exclusively

A Goldendoodle
Goldendoodle

Due to their breeding, no two Goldendoodles are alike.

A Gopher
Gopher

They dig large networks of tunnels!

A Gorilla
Gorilla

The biggest of the world's primates!

A Great Dane
Great Dane

Large and imposing in appearance!

A Great Danoodle
Great Danoodle

Both Great Danes and Poodles are in the top 15 most popular AKC breeds - which makes Great Danoodles a shoo-in for popularity.

A Great Pyrenees
Great Pyrenees
A Greater Swiss Mountain Dog
Greater Swiss Mountain Dog

Protective and gentle by nature!

A Greenland Dog
Greenland Dog

Strong and speedy breed of dog!

A Grey Mouse Lemur
Grey Mouse Lemur

The largest species of mouse lemur!

A Grey Seal
Grey Seal

One of the rarest species of seal on Earth

A Greyhound
Greyhound

Extremely fast and athletic!

A Griffonshire
Griffonshire

Griffonshires are so little they are easily mistaken for puppies throughout their lives.

A Grizzly Bear
Grizzly Bear

Less than 10% make it into adulthood

A Guinea Pig
Guinea Pig

Natively found in the Andes Mountain range!

A Hamster
Hamster

Able to run as quickly backwards as forwards!

A Hare
Hare

Can reach speeds of over 40 mph!

A Harrier
Harrier

Cheerful, tolerant and sweet-tempered!

A Havanese
Havanese

These are the only dogs that are native to Cuba

A Havapoo
Havapoo

The exact appearance of a Havapoo can vary based on whether the genes of its Poodle or Havanese parent are more dominant.

A Havashire
Havashire

Both of the Havashire’s parent breeds were very popular among the upper classes.

A Hedgehog
Hedgehog

Thought to be one of the oldest mammals on Earth!

A Highland Cattle
Highland Cattle

Natively found in the Scottish Highlands!

A Himalayan
Himalayan

Also known as the Colourpoint Persian!

A Hippopotamus
Hippopotamus

Has pink anti-bacterial sweat!

A Honduran White Bat
Honduran White Bat

The bat only eats figs.

A Honey Badger
Honey Badger

One of earth's bravest creatures!

A Horse
Horse

Has evolved over 50 million years!

A Howler Monkey
Howler Monkey

Spends 80% of it's time resting!

A Human
Human

Thought to have orignated 200,000 years ago!

A Huskador
Huskador

Huskadors are gaining in popularity as service dogs.

A Huskydoodle
Huskydoodle

Huskydoodles are known for their jumping abilities!

A Hyena
Hyena

There are four different species!

A Ibis
Ibis

Found in swamps, marshes and wetlands!

A Ibizan Hound
Ibizan Hound

Intelligent, active and engaging by nature!

A Impala
Impala

Able to jump over 10 feet high

A Indian Elephant
Indian Elephant

Found throughout south-east Asia!

A Indian Palm Squirrel
Indian Palm Squirrel

Natively found in parts of India and Sri Lanka!

A Indian Rhinoceros
Indian Rhinoceros

Also known as the one-horned rhino!

A Indochinese Tiger
Indochinese Tiger

Now thought to be extinct in China!

A Indri
Indri

The largest species of Lemur!

A Irish Doodle
Irish Doodle

Irish Doodles can be very active dogs, but they also love just hanging out with their family members in the house.

A Irish Setter
Irish Setter

Can live for up to 16 years!

A Irish Terrier
Irish Terrier

An average 300 Irish Terrier puppies are born each year in the United States.

A Irish WolfHound
Irish WolfHound

Sweet-tempered, patient and thoughtful!

A Italian Greyhound
Italian Greyhound

The Italian Greyhound is a miniature dog with a big motor and personality!

A Jack Russell
Jack Russell

Intelligent, athletic and fearless!

A Jackal
Jackal

Can maintain speeds of 16 km/h!

A Jaguar
Jaguar

The largest feline on the American continent!

A Japanese Chin
Japanese Chin

Alert, intelligent and independent!

A Japanese Macaque
Japanese Macaque

Has cheek pouches for storing food!

A Japanese Terrier
Japanese Terrier

Japanese Terriers are also called Nippon Terriers

A Javan Rhinoceros
Javan Rhinoceros

Only has a 25cm long horn!

A Javanese
Javanese

Features that closely resemble a Siamese cat!

A Jerboa
Jerboa

Tiny rodent with a kangaroo-like jump!

A Kangaroo
Kangaroo

Females have a deep pouch on their front!

A Kerry Blue Terrier
Kerry Blue Terrier

They are born black, and turn gray-blue as they age.

A Killer Whale
Killer Whale

Typically consumes over 200 kg of food a day!

A Kinkajou
Kinkajou

The kinkajou is a nimble forest-dwelling mammal of Central and South America.

A Koala
Koala

Spends up to 80% of the time sleeping or resting!

A Kudu
Kudu

Lives in herds of up to 24 individuals!

A Labmaraner
Labmaraner

Loves to participate in activities.

A Labradane
Labradane

Labradanes can come with both sold-color coats and the more exciting patterns that you typically see on Great Danes.

A Labradoodle
Labradoodle

Friendly and energetic mix-breed!

A Labrador Retriever
Labrador Retriever

Well-balanced, friendly and versatile!

A Labraheeler
Labraheeler

These dogs have medium-sized pendant ears.

A Lakeland Terrier
Lakeland Terrier

These dogs were once used by farmers to keep foxes away from herds of sheep.

A Lemming
Lemming

Does not hibernate during the bitter Arctic winter!

A Lemur
Lemur

Natively found on the island of Madagascar!

A Leopard
Leopard

Spends much of the time high in the trees!

A Leopard Cat
Leopard Cat

There are 11 different species!

A Leopard Seal
Leopard Seal

The world's most aggressive seal species!

A Lhasapoo
Lhasapoo

A Lhasapoo’s coat can be curly like a poodle’s or long and silky like a Lhasa Apso’s.

A Liger
Liger

The offspring of a lion and tiger parents!

A Lion
Lion

Lives in small groups called prides!

A Llama
Llama

Natively found in the Andes Mountain range!

A Lynx
Lynx

Live in dens in rocks and under ledges!

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 Tiger
Malayan Tiger

Found in less-dense jungles!

A Maltese
Maltese

Originally bred in Europe!

A Maltipoo
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 Manatee
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 Mandrill
Mandrill

Distinctively coloured noses and rumps!

A Maned Wolf
Maned Wolf

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

A Markhor
Markhor

Less than 2,500 left in the wild!

A Marmot
Marmot

A marmot spends 80% of its life below ground

A Masked Palm Civet
Masked Palm Civet

Found throughout Asia, India and China!

A Mastador
Mastador

The Mastador gets its enormous size from its Mastiff parent

A Mastiff
Mastiff

Courageous, calm and affectionate!

A Meagle
Meagle

The Meagle has an incredible sense of smell.

A Meerkat
Meerkat

One will stand on guard to watch for predators!

A Mexican Free-Tailed Bat
Mexican Free-Tailed Bat

Some colonies have millions of bats

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 Mink
Mink

The mink can swim up to 100 feet underwater.

A Minke Whale
Minke Whale

There are two recognised species!

A Mole
Mole

Primarily hunts and feeds on Earthworms!

A Mongoose
Mongoose

Range in size from just 1 to 3 foot!

A Mongrel
Mongrel

Has characteristics of two or more breeds!

A Monkey
Monkey

There are around 260 known species!

A Moorhen
Moorhen

Feeds on aquatic insects and water-spiders!

A Moose
Moose

Renews it's enormous antlers every year!

A Mountain Gorilla
Mountain Gorilla

Isolated populations found in the mountains!

A Mountain Lion
Mountain Lion

Has no real natural predators!

A Mouse
Mouse

Found on every continent on Earth!

A Mule
Mule

The offspring of a horse and donkey parents!

A Muskox
Muskox

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

A Muskrat
Muskrat

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

A Narwhal
Narwhal

Lives and hunts in the frigid Arctic!

A Neanderthal
Neanderthal

Roamed Asia and Europe for around 100,000 years!

A Neapolitan Mastiff
Neapolitan Mastiff

Fearless and extremely protective of it's home!

A Newfoundland
Newfoundland

Introduced by Vikings more than 1,000 years ago!

A Newfypoo
Newfypoo

Newfypoos have a thick oily coat that can be hard to groom.

A Norfolk Terrier
Norfolk Terrier

Fearless but not aggressive!

A North American Black Bear
North American Black Bear

Short claws make them good tree climbers!

A Northern Inuit Dog
Northern Inuit Dog
A Norwegian Forest
Norwegian Forest

Has a long, thick double coat of fur!

A Norwich Terrier
Norwich Terrier

Though Norwich terriers are small, they have a reputation for being feisty.

A Numbat
Numbat

There are less than 1,000 left in the wild!

A Ocelot
Ocelot

Also known as the Painted Leopard!

A Okapi
Okapi

Eats more than 100 different types of plant!

A Old English Sheepdog
Old English Sheepdog

Intelligent, sociable and playful!

A Opossum
Opossum

Thought to be immune to certain snake venom!

A Orang-utan
Orang-utan

Shares 97% of its DNA with humans!

A Otter
Otter

There are 13 different species worldwide

A Pademelon
Pademelon

Inhabits the jungles of the far east!

A Pangolin
Pangolin

Bad eyesight, but great sense of smell

A Panther
Panther

Prefers to hunt at night than during the day!

A Parson Russell Terrier
Parson Russell Terrier

The root stock of the breed was a dog named Trump

A Patas Monkey
Patas Monkey

The fastest species of primate in the world!

A Patterdale Terrier
Patterdale Terrier

A Patterdale Terrier’s small body structure allows it to squeeze into fox burrows.

A Peekapoo
Peekapoo

Peekapoos were first bred in the 1950’s, making them one of the first designer dog breeds.

A Pekingese
Pekingese

Thought to be over 2,000 years old!

A Pere Davids Deer
Pere Davids Deer

Has webbing between its toes, aiding in swimming!

A Persian
Persian

Thought to have originated in the Middle East!

A Petit Basset Griffon Vendéen
Petit Basset Griffon Vendéen

A small dog with a big, lively personality.

A Pheasant
Pheasant

Females lay between 8 and 12 eggs per clutch!

A Pied Tamarin
Pied Tamarin

Only found in one area of Brazil!

A Pig
Pig

Thought to have been domesticated in 9,000 BC!

A Pika
Pika

Found in mountainous regions and rocky areas

A Pink Fairy Armadillo
Pink Fairy Armadillo

The smallest known species of Armadillo

A Pitador
Pitador

There are several names for this breed, including the Labrabull or the Pitador Retriever.

A Platypus
Platypus

One of the only mammals to lay eggs!

A Pointer
Pointer

An independent, loyal and high energy breed!

A Polar Bear
Polar Bear

Could be extinct within the next 30 years!

A Pomapoo
Pomapoo

Pomapoos like companionship and do not like being alone. They may do better in a home with other dogs.

A Pomeranian
Pomeranian

The ancestors of the Pomeranian were sled dogs.

A Poochon
Poochon

The Poochon was first bred in Australia.

A Poodle
Poodle

Intelligent, alert and active!

A Poogle
Poogle

Generally, miniature poodles are the dog breed used in programs for producing Poogles.

A Porcupine
Porcupine

There are 30 different species worldwide!

A Porpoise
Porpoise

Surprisingly, not a dolphin!

A Possum
Possum

There are 69 species on the Australian continent!

A Proboscis Monkey
Proboscis Monkey

Natively found on the island of Borneo!

A Pug
Pug

Fun and sociable, yet stubborn!

A Pugapoo
Pugapoo

The pugapoo is the fusion of a pug and a poodle.

A Pugshire
Pugshire

With their incredible desire to show affection, Pugshire make great lap dogs.

A Puma
Puma

Has longer back legs than front legs!

A Pygmy Hippopotamus
Pygmy Hippopotamus

Spends more time on land than in water!

A Pygmy Marmoset
Pygmy Marmoset

The smallest species of monkey in the world!

A Pyrador
Pyrador

Most popular as a companion pet

A Pyredoodle
Pyredoodle

Pyredoodles can have a thick double coat or a thinner single coat.

A Quokka
Quokka

Makes runways through the long grasses!

A Quoll
Quoll

Found across Australia and Papua New Guinea!

A Rabbit
Rabbit

There are more than 50 different species!

A Raccoon
Raccoon

Known to wash their food before eating it!

A Raccoon Dog
Raccoon Dog

The only hibernating canine!

A Ragdoll
Ragdoll

One of the larger breeds of domestic cat!

A Rat
Rat

Omnivores that eat anything!

A Rat Terrier
Rat Terrier

Rat terriers were popular with farmers before 1930 because of their ability to kill rodents.

A Red Fox
Red Fox

The red fox actually has many different variations of fur, including silver and brown.

A Red Panda
Red Panda

There are less than 3,000 left in the wild!

A Red Wolf
Red Wolf

Only 100 in the wild!

A Red-handed Tamarin
Red-handed Tamarin

Red hair on hands on feet!

A Reindeer
Reindeer

Also known as the Caribou

A Rhinoceros
Rhinoceros

It's horns are made from keratin!

A Rock Hyrax
Rock Hyrax

Actually related to Elephants and Manatees!

A Rottweiler
Rottweiler

Strong, loyal and self-assured!

A Russell Terrier
Russell Terrier

The Russell Terrier was bred to be a good fox hunter with a keen sense of smell

A Russian Blue
Russian Blue

First brought to the UK in the 1800s!

A Saarloos Wolfdog
Saarloos Wolfdog
A Saber-Toothed Tiger
Saber-Toothed Tiger

Canines up to 7 inches long!

A Sable
Sable

Their fur has been considered a luxury item since the Middle Ages

A Saiga
Saiga

Large noses help filter out dust

A Saint Berdoodle
Saint Berdoodle
A Saint Bernard
Saint Bernard

Gentle, loyal and friendly!

A Saint Shepherd
Saint Shepherd

These dogs have an eager-to-please attitude, making them sweet and happy pets.

A Samoyed
Samoyed
A Saola
Saola

Only known to science since 1992!

A Schnoodle
Schnoodle
A Scimitar-horned Oryx
Scimitar-horned Oryx

Believed to be the inspiration for unicorn myths!

A Scottish Terrier
Scottish Terrier

This breed is nicknamed the “Diehard” because of its iron will and steely determination.

A Sea Lion
Sea Lion

It's flippers allow it to walk on the land

A Sea Otter
Sea Otter

Eats over 40 different marine species!

A Seal
Seal

There are 30 different species worldwide!

A Sealyham Terrier
Sealyham Terrier

Very endangered breed that is scion of several breeds that include one that is already extinct

A Serval
Serval

Can leap more than 1 meter into the air!

A Sheep
Sheep

Around 35 million in the English countryside!

A Sheepadoodle
Sheepadoodle

Sheepadoodles were first bred as an experiment for use as a military dog in the Army in the 1960s, however they didn’t really gain popularity until 2007.

A Shepadoodle
Shepadoodle

Some police officers with allergies use Shepadoodles as their K-9 partner

A Shepkita
Shepkita

These dogs can sometimes be overly aggressive.

A Shiba Inu
Shiba Inu

Shiba Inus are one of six native dog breeds from Japan.

A Shih Poo
Shih Poo
A Shih Tzu
Shih Tzu

Can live for up to 15 years!

A Siamese
Siamese

Originated from temple cats in Thailand!

A Siberian
Siberian

An exceptionally agile jumper!

A Siberian Husky
Siberian Husky

Is adequately warm in sub-zero temperatures!

A Siberian Tiger
Siberian Tiger

Also known as the Amur tiger!

A Siberpoo
Siberpoo

Although a lack of documentation makes it unclear, the first Siberpoo was probably bred in either the 1970s or 1980s.

A Silky Terrier
Silky Terrier

Silky terriers can be trained to participate in many events, including herding, agility, rally, tracking and fly ball.

A Skunk
Skunk

Also known as the Polecat!

A Skye Terrier
Skye Terrier

Skye terriers are the oldest terrier breed, dating back at least 400 years.

A Sloth
Sloth

It's body temperature is between 30 - 34 degrees!

A Smooth Fox Terrier
Smooth Fox Terrier

These dogs are known for their fast digging abilities.

A Snapping Turtle
Snapping Turtle

Only found in North America!

A Snowshoe
Snowshoe

Thought to have originated in the 1960s!

A Snowshoe Hare
Snowshoe Hare

An adult snowshoe hare can cover ten feet in a single jump.

A Somali
Somali

Active, intelligent and playful!

A South China Tiger
South China Tiger

There are less than 20 in the wild!

A Spanador
Spanador

The Spanador is a good swimmer.

A Spectacled Bear
Spectacled Bear

Native to the Andes mountains of South America!

A Sperm Whale
Sperm Whale

Each tooth weighs 1kg!

A Spider Monkey
Spider Monkey

Found in the tropical jungles of South America!

A Springerdoodle
Springerdoodle
A Squirrel
Squirrel

Small rodents found in woodlands worldwide!

A Squirrel Monkey
Squirrel Monkey

Lives in groups of up to 500 individuals!

A Sri Lankan Elephant
Sri Lankan Elephant

Now restricted to a few parks!

A Staffordshire Bull Terrier
Staffordshire Bull Terrier

Known for their loyalty to their family!

A Steller’s Sea Cow
Steller’s Sea Cow

Hunted to extinction in 17 years!

A Stoat
Stoat

Average adults weigh about 200 grams!

A Sugar Glider
Sugar Glider

Can glide for over 100 feet before touching the ground

A Sumatran Elephant
Sumatran Elephant

Less than 2,000 left in the wild!

A Sumatran Orang-utan
Sumatran Orang-utan

Known to make mental maps of the forest!

A Sumatran Rhinoceros
Sumatran Rhinoceros

The smallest species of rhino!

A Sumatran Tiger
Sumatran Tiger

The smallest species of tiger!

A Sun Bear
Sun Bear

The smallest species of bear in the world!

A Swedish Vallhund
Swedish Vallhund
A Taco Terrier
Taco Terrier

Taco terriers are known by a variety of names, including the Chitoxy Toy and the Chiwoxy.

A Tamaskan
Tamaskan
A Tapanuli Orang-utan
Tapanuli Orang-utan

Inhabits an isolated mountain range in northwestern Sumatra!

A Tapir
Tapir

Most closely related to horses and rhinos!

A Tarsier
Tarsier

Each eye weighs more than their whole brain!

A Tasmanian Devil
Tasmanian Devil

Exclusively found on the island of Tasmania!

A Teddy Roosevelt Terrier
Teddy Roosevelt Terrier

Often just called 'Teddies' by owners

A Tenterfield Terrier
Tenterfield Terrier

These terriers have quick minds and fast feet making them excellent for agility competitions.

A Terrier
Terrier

Terriers were once the greatest dogs in the world.

A Tibetan Mastiff
Tibetan Mastiff

Originally bred in the Himalayan mountains!

A Tibetan Terrier
Tibetan Terrier

Tibetan terriers have round, flat, “snow shoe” feet that evolved to give them traction on snowy Himalayan paths

A Tiffany
Tiffany

Eye colour intensifies with age!

A Tiger
Tiger

The largest feline in the world!

A Toy Fox Terrier
Toy Fox Terrier

Hunters still use the toy fox to go into a fox's den and flush the animal out.

A Toy Poodle
Toy Poodle

The word poodle is derived from German, and it means to splash or puddle.

A Tuatara
Tuatara

Only found on a few of New Zealand's islands!

A Turkish Angora
Turkish Angora

A breed that originated in central Turkey!

A Uakari
Uakari

Have a very short tail for their size!

A Utonagan
Utonagan
A Vampire Bat
Vampire Bat

Have a heat sensor on the end of their nose!

A Vaquita
Vaquita

Smallest cetacean in the ocean

A Vervet Monkey
Vervet Monkey

Rarely found more than 450m from trees!

A Wallaby
Wallaby

There are roughly 30 different species!

A Walrus
Walrus

Inhabits the freezing waters of the Arctic Circle!

A Warthog
Warthog

Has two sets of tusks on it's face!

A Water Buffalo
Water Buffalo

Has been domesticated for thousands of years!

A Water Vole
Water Vole

The largest Vole species in the UK!

A Weasel
Weasel

The smallest carnivorous mammal in the world!

A Weimardoodle
Weimardoodle

This dog is also known as the Weimarpoo, the Weimaranerpoo, and the Weimaranerdoodle.

A Welsh Corgi
Welsh Corgi

There are two distinct breeds!

A Welsh Terrier
Welsh Terrier

The Welsh Terrier has the strength and tenacity to take on foxes and badgers.

A West Highland Terrier
West Highland Terrier

Most commonly white in colour!

A Western Gorilla
Western Gorilla

There are two sub-species!

A Western Lowland Gorilla
Western Lowland Gorilla

One of the great apes!

A Westiepoo
Westiepoo

This dog is known for cocking its head in a curious manner when listening to its owner.

A Wheaten Terrier
Wheaten Terrier

Originally bred as a farm dog, the Wheaten Terrier can be very protective of its domain.

A Whippet
Whippet

Quiet, gentle and restful dogs!

A White Rhinoceros
White Rhinoceros

The second largest animal on the land!

A White Tiger
White Tiger

None have been seen in the wild for 50 years!

A White-Faced Capuchin
White-Faced Capuchin

One of the world's most intelligent monkeys!

A Whoodle
Whoodle

Whoodles are good swimmers

A Wild Boar
Wild Boar

Males have a top tusk to sharpen the bottom one!

A Wildebeest
Wildebeest

Can trek more than 1,000 miles every year!

A Wire Fox Terrier
Wire Fox Terrier

The Wire Fox Terrier was bred from the now extinct Rough Coated Black and Tan Terrier to hunt down foxes.

A Wolf
Wolf

Thought to date back more than 300,000 years!

A Wolverine
Wolverine

Releases a strong smelling musk in defence!

A Wombat
Wombat

Spends most of the day underground!

A Woolly Mammoth
Woolly Mammoth

Tusks grew to 16ft long!

A Woolly Monkey
Woolly Monkey

Has a long, strong prehensile tail!

A Xerus
Xerus

Squirrel that lives in burrows in Africa.

A Yak
Yak

There are only a few left in the wild!

A Yorkie Poo
Yorkie Poo

The Yorkie-Poo originated from the hybrid poodle phase of the late 20th century

A Yorkshire Terrier
Yorkshire Terrier

Highly energetic and eager for adventure!

A Zebra
Zebra

Stripe patterns are unique to each individual!

A Zebu
Zebu

There are around 75 different species!

A Zonkey
Zonkey

The offspring of Zebra and Donkey parents!

A Zorse
Zorse

The offspring of a Zebra and Horse parents!

List of Mammals

  • Aardvark
  • Abyssinian
  • Affenpinscher
  • Afghan Hound
  • African Bush Elephant
  • African Civet
  • African Forest Elephant
  • African Palm Civet
  • African Wild Dog
  • Ainu
  • Airedale Terrier
  • Airedoodle
  • Akbash
  • Akita
  • Alaskan Malamute
  • Alaskan Shepherd
  • Alpaca
  • Alpine Dachsbracke
  • Amazon River Dolphin (Pink Dolphin)
  • American Alsatian
  • American Bulldog
  • American Cocker Spaniel
  • American Coonhound
  • American Eskimo Dog
  • American Foxhound
  • American Hairless Terrier
  • American Pit Bull Terrier
  • American Staffordshire Terrier
  • American Water Spaniel
  • Amur Leopard
  • Anatolian Shepherd Dog
  • Anteater
  • Antelope
  • Appenzeller Dog
  • Arctic Fox
  • Arctic Hare
  • Arctic Wolf
  • Armadillo
  • Asian Elephant
  • Asian Palm Civet
  • Asiatic Black Bear
  • Aussiedoodle
  • Aussiedor
  • Australian Cattle Dog
  • Australian Kelpie Dog
  • Australian Labradoodle
  • Australian Mist
  • Australian Shepherd
  • Australian Terrier
  • Axolotl
  • Aye Aye
  • Baboon
  • Bactrian Camel
  • Badger
  • Balinese
  • Banded Palm Civet
  • Bandicoot
  • Basenji Dog
  • Bassador
  • Basset Fauve de Bretagne
  • Basset Hound
  • Bassetoodle
  • Bat
  • Bavarian Mountain Hound
  • Beagador
  • Beagle
  • Beago
  • Bear
  • Bearded Collie
  • Beaver
  • Bedlington Terrier
  • Bengal Tiger
  • Bernedoodle
  • Bernese Mountain Dog
  • Bernese Shepherd
  • Bichon Frise
  • Bichpoo
  • Biewer Terrier
  • Binturong
  • Birman
  • Bison
  • Black Rhinoceros
  • Black Russian Terrier
  • Bloodhound
  • Blue Lacy Dog
  • Blue Whale
  • Bluetick Coonhound
  • Bobcat
  • Boglen Terrier
  • Bolognese Dog
  • Bombay
  • Bongo
  • Bonobo
  • Borador
  • Border Collie
  • Border Terrier
  • Bordoodle
  • Borkie
  • Bornean Orang-utan
  • Borneo Elephant
  • Boston Terrier
  • Bottlenose Dolphin
  • Bowhead Whale
  • Boxador
  • Boxer Dog
  • Boxerdoodle
  • Boykin Spaniel
  • Brazilian Terrier
  • British Timber
  • Brown Bear
  • Buffalo
  • Bull Shark
  • Bull Terrier
  • Bulldog
  • Bullmastiff
  • Burmese
  • Cairn Terrier
  • Camel
  • Canaan Dog
  • Canadian Eskimo Dog
  • Capybara
  • Caracal
  • Carolina Dog
  • Cat
  • Cavador
  • Cavalier King Charles Spaniel
  • Cavapoo
  • Cesky Fousek
  • Cesky Terrier
  • Chameleon
  • Chamois
  • Cheetah
  • Chesapeake Bay Retriever
  • Chihuahua
  • Chimpanzee
  • Chinchilla
  • Chinese Crested Dog
  • Chinook
  • Chipmunk
  • Chipoo
  • Chorkie
  • Chow Chow
  • Chow Shepherd
  • Clouded Leopard
  • Clumber Spaniel
  • Coati
  • Cockapoo
  • Collared Peccary
  • Collie
  • Common Toad
  • Corgidor
  • Corgipoo
  • Corkie
  • Cotton-top Tamarin
  • Cougar
  • Cow
  • Coyote
  • Crab-Eating Macaque
  • Cross River Gorilla
  • Curly Coated Retriever
  • Cuscus
  • Dachsador
  • Dachshund
  • Dalmadoodle
  • Dalmador
  • Dalmatian
  • Deer
  • Deutsche Bracke
  • Dhole
  • Dingo
  • Doberman Pinscher
  • Dog
  • Dogo Argentino
  • Dogue De Bordeaux
  • Dolphin
  • Donkey
  • Dorkie
  • Dormouse
  • Double Doodle
  • Doxiepoo
  • Drever
  • Dugong
  • Dunker
  • Dusky Dolphin
  • Eastern Gorilla
  • Eastern Lowland Gorilla
  • Echidna
  • Egyptian Mau
  • Elephant
  • Elephant Seal
  • Elephant Shrew
  • Emperor Tamarin
  • English Cocker Spaniel
  • English Shepherd
  • English Springer Spaniel
  • Entlebucher Mountain Dog
  • Epagneul Pont Audemer
  • Ermine
  • Eskimo Dog
  • Eskipoo
  • Estrela Mountain Dog
  • False Killer Whale
  • Fennec Fox
  • Ferret
  • Field Spaniel
  • Fin Whale
  • Finnish Spitz
  • Fishing Cat
  • Flat-Coated Retriever
  • Flying Squirrel
  • Fossa
  • Fox
  • Fox Terrier
  • French Bulldog
  • Fur Seal
  • Geoffroys Tamarin
  • Gerberian Shepsky
  • Gerbil
  • German Pinscher
  • German Shepherd Guide
  • German Sheppit
  • German Sheprador
  • Giant Panda Bear
  • Giant Schnauzer
  • Giant Schnoodle
  • Gibbon
  • Giraffe
  • Glen Of Imaal Terrier
  • Goat
  • Goldador
  • Golden Lion Tamarin
  • Golden Retriever
  • Golden Shepherd
  • Golden-Crowned Flying Fox
  • Goldendoodle
  • Gopher
  • Gorilla
  • Great Dane
  • Great Danoodle
  • Great Pyrenees
  • Greater Swiss Mountain Dog
  • Greenland Dog
  • Grey Mouse Lemur
  • Grey Seal
  • Greyhound
  • Griffonshire
  • Grizzly Bear
  • Guinea Pig
  • Hamster
  • Hare
  • Harrier
  • Havanese
  • Havapoo
  • Havashire
  • Hedgehog
  • Highland Cattle
  • Himalayan
  • Hippopotamus
  • Honduran White Bat
  • Honey Badger
  • Horse
  • Howler Monkey
  • Human
  • Huskador
  • Huskydoodle
  • Hyena
  • Ibis
  • Ibizan Hound
  • Impala
  • Indian Elephant
  • Indian Palm Squirrel
  • Indian Rhinoceros
  • Indochinese Tiger
  • Indri
  • Irish Doodle
  • Irish Setter
  • Irish Terrier
  • Irish WolfHound
  • Italian Greyhound
  • Jack Russell
  • Jackal
  • Jaguar
  • Japanese Chin
  • Japanese Macaque
  • Japanese Terrier
  • Javan Rhinoceros
  • Javanese
  • Jerboa
  • Kangaroo
  • Kerry Blue Terrier
  • Killer Whale
  • Kinkajou
  • Koala
  • Kudu
  • Labmaraner
  • Labradane
  • Labradoodle
  • Labrador Retriever
  • Labraheeler
  • Lakeland Terrier
  • Lemming
  • Lemur
  • Leopard
  • Leopard Cat
  • Leopard Seal
  • Lhasapoo
  • Liger
  • Lion
  • Llama
  • Lynx
  • Maine Coon
  • Malayan Civet
  • Malayan Tiger
  • Maltese
  • Maltipoo
  • Manatee
  • Manchester Terrier
  • Mandrill
  • Maned Wolf
  • Markhor
  • Marmot
  • Masked Palm Civet
  • Mastador
  • Mastiff
  • Meagle
  • Meerkat
  • Mexican Free-Tailed Bat
  • Mini Labradoodle
  • Miniature Bull Terrier
  • Mink
  • Minke Whale
  • Mole
  • Mongoose
  • Mongrel
  • Monkey
  • Moorhen
  • Moose
  • Mountain Gorilla
  • Mountain Lion
  • Mouse
  • Mule
  • Muskox
  • Muskrat
  • Narwhal
  • Neanderthal
  • Neapolitan Mastiff
  • Newfoundland
  • Newfypoo
  • Norfolk Terrier
  • North American Black Bear
  • Northern Inuit Dog
  • Norwegian Forest
  • Norwich Terrier
  • Numbat
  • Ocelot
  • Okapi
  • Old English Sheepdog
  • Opossum
  • Orang-utan
  • Otter
  • Pademelon
  • Pangolin
  • Panther
  • Parson Russell Terrier
  • Patas Monkey
  • Patterdale Terrier
  • Peekapoo
  • Pekingese
  • Pere Davids Deer
  • Persian
  • Petit Basset Griffon Vendéen
  • Pheasant
  • Pied Tamarin
  • Pig
  • Pika
  • Pink Fairy Armadillo
  • Pitador
  • Platypus
  • Pointer
  • Polar Bear
  • Pomapoo
  • Pomeranian
  • Poochon
  • Poodle
  • Poogle
  • Porcupine
  • Porpoise
  • Possum
  • Proboscis Monkey
  • Pug
  • Pugapoo
  • Pugshire
  • Puma
  • Pygmy Hippopotamus
  • Pygmy Marmoset
  • Pyrador
  • Pyredoodle
  • Quokka
  • Quoll
  • Rabbit
  • Raccoon
  • Raccoon Dog
  • Ragdoll
  • Rat
  • Rat Terrier
  • Red Fox
  • Red Panda
  • Red Wolf
  • Red-handed Tamarin
  • Reindeer
  • Rhinoceros
  • Rock Hyrax
  • Rottweiler
  • Russell Terrier
  • Russian Blue
  • Saarloos Wolfdog
  • Saber-Toothed Tiger
  • Sable
  • Saiga
  • Saint Berdoodle
  • Saint Bernard
  • Saint Shepherd
  • Samoyed
  • Saola
  • Schnoodle
  • Scimitar-horned Oryx
  • Scottish Terrier
  • Sea Lion
  • Sea Otter
  • Seal
  • Sealyham Terrier
  • Serval
  • Sheep
  • Sheepadoodle
  • Shepadoodle
  • Shepkita
  • Shiba Inu
  • Shih Poo
  • Shih Tzu
  • Siamese
  • Siberian
  • Siberian Husky
  • Siberian Tiger
  • Siberpoo
  • Silky Terrier
  • Skunk
  • Skye Terrier
  • Sloth
  • Smooth Fox Terrier
  • Snapping Turtle
  • Snowshoe
  • Snowshoe Hare
  • Somali
  • South China Tiger
  • Spanador
  • Spectacled Bear
  • Sperm Whale
  • Spider Monkey
  • Springerdoodle
  • Squirrel
  • Squirrel Monkey
  • Sri Lankan Elephant
  • Staffordshire Bull Terrier
  • Steller’s Sea Cow
  • Stoat
  • Sugar Glider
  • Sumatran Elephant
  • Sumatran Orang-utan
  • Sumatran Rhinoceros
  • Sumatran Tiger
  • Sun Bear
  • Swedish Vallhund
  • Taco Terrier
  • Tamaskan
  • Tapanuli Orang-utan
  • Tapir
  • Tarsier
  • Tasmanian Devil
  • Teddy Roosevelt Terrier
  • Tenterfield Terrier
  • Terrier
  • Tibetan Mastiff
  • Tibetan Terrier
  • Tiffany
  • Tiger
  • Toy Fox Terrier
  • Toy Poodle
  • Tuatara
  • Turkish Angora
  • Uakari
  • Utonagan
  • Vampire Bat
  • Vaquita
  • Vervet Monkey
  • Wallaby
  • Walrus
  • Warthog
  • Water Buffalo
  • Water Vole
  • Weasel
  • Weimardoodle
  • Welsh Corgi
  • Welsh Terrier
  • West Highland Terrier
  • Western Gorilla
  • Western Lowland Gorilla
  • Westiepoo
  • Wheaten Terrier
  • Whippet
  • White Rhinoceros
  • White Tiger
  • White-Faced Capuchin
  • Whoodle
  • Wild Boar
  • Wildebeest
  • Wire Fox Terrier
  • Wolf
  • Wolverine
  • Wombat
  • Woolly Mammoth
  • Woolly Monkey
  • Xerus
  • Yak
  • Yorkie Poo
  • Yorkshire Terrier
  • Zebra
  • Zebu
  • Zonkey
  • Zorse

Mammals FAQs (Frequently Asked Questions) 

What is considered a mammal?

Mammals are those animals that have some of the 10 characteristics listed above. The most notable mammal characteristics include having hair or fur, having live births, and feeding their young milk.

What animals are Mammals?

There are nearly 6,500 publicly recognized mammal species with more being discovered all the time. Popular mammal examples include cats, dogs, horses, elephants, whales, and humans.

Are whales mammals?

Yes! Whales are marine mammals. Surprisingly, they even exhibit one of the hallmark traits of mammals and even have hair. Though, whales mostly have hair in the womb and it is mostly gone at or slightly after birth.

What is the largest mammal on earth?

The largest mammal on earth is the blue whale. At over 100ft in length and 350,000lbs blue whales are also the largest animal alive on earth today, as well as the largest animal that has ever lived!

What did mammals evolve from?

Mammals are believed to have evolved from reptiles during the triassic period (approximately 200 – 250 million years ago), specifically of the order Therapsida.

What is the smallest mammal?

At approximately 1.6 inches long and less than 14 punches the smallest known mammal on earth today is the Etruscan Shrew.

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