A male lion with a full golden mane resting in tall savanna grass

Did you know? A lion’s roar can be heard up to 5 miles away!

Animals

Mammals

Warm-blooded animals with fur or hair. Mammals feed their babies milk and live in almost every habitat on Earth.

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Pick a group to jump straight to those animals.

⭐ Featured Mammals

Facts About White Tigers That Will Take Your Breath Away

White tigers aren't a separate species! Discover the truth about their rare genes.

Marvelously Staggering Facts About the Cheetah

Cheetahs beat supercars in a 3-second sprint! Discover why they are nature's fastest racers.

Really Astonishing Facts About African Elephants

Elephants shower with trunks then dust off! Discover their amazing secrets.

African Lion Facts

Discover why lions are the only cats that live in prides!

💡 Mammals Facts

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Most mammals have hair or fur.

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Mammals feed their babies milk.

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Mammals are warm-blooded.

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Some mammals live in the ocean.

Popular Learning Topics

Follow a path through the animal kingdom.

🍼Animal Babies› 🐾Predators› 🌙Nocturnal Mammals› ⚡Fastest Mammals› 🛡️Endangered Mammals› 🦷Bite & Strength›

Learn & Play

Safari Scout

Play Safari Scout, a free 3D savanna game for ages 8–10.

Meerkat Dash

Play Meerkat Dash, a free savanna arcade game for ages 9–11.

Lion Coloring

Print and colour your own lion.

Elephant Coloring

Print and colour your own elephant.

📘 Printable Mammals Workbooks

Hands-on activity sheets to print and complete.

Lion Facts

Printable mammals activity sheet.

Arctic Fox Adaptations

Printable mammals activity sheet.

Polar Bear Arctic Survival

Printable mammals activity sheet.

Jaguar Adaptations

Printable mammals activity sheet.

White Tiger Facts

Printable mammals activity sheet.

All Mammals Articles

Predators10 Dumbfounding Examples of Predator-Prey RelationshipsWatch cheetahs zig-zag against gazelles in Africa's wild chase. Animal Babies101 Funny and Cute Pictures of Baby Animals That are Pin-worthySqueal-worthy cuteness! Kittens, puppies, and ducklings await. Mammals16 Fascinating Facts About Woolly Mammoths That'll Blow You AwayMeet Lyuba: the perfectly preserved baby mammoth frozen in time. Mammals26 Burrowing Animals With Pictures You Need to SeeDig deep! Meet 26 amazing animals that build secret underground homes. Mammals28 Amazing Blue-colored Animals With Insanely Beautiful PicturesBlue is rare! Meet 28 stunning animals that glow with magical, structural color magic. Mammals3 Lovable Pig Breeds You Can Keep as PetsMeet three cute pig breeds perfect for your home. Dogs & Foxes4 Types of Coyotes and Their SubspeciesSee 4 coyote types & 19 subspecies across North America! Mammals7 Dumbest Animals in the World That'll Make You Stare in DisbeliefMeet the dumbest animals! Why do pandas eat only bamboo? Big Cats8 Different Species of Lions, With PicturesMeet 8 unique lion faces, from white lions to black-maned giants! PrimatesA Complete List of All Types of Monkeys You Wouldn't Want to MissMeet the tiny pygmy marmoset and the loud howler monkey! MammalsA Complete List of Desert Animals That'll Surely Fascinate YouMeet desert survivors like kangaroo rats and camels! Dogs & FoxesA Complete List of Different Types of Foxes With PicturesDiscover the 12 true foxes and wild cousins with big ears and bushy tails! MammalsA Complete List of National Animals from Around the WorldDiscover the lion, eagle, and more! Which national animal is your favorite? Hoofed AnimalsA Definitive List of the Different Types of DeerDiscover 9 amazing deer species, from tiny muntjacs to giant moose! MammalsA List of Endangered Animals That'll Make You Stare in DisbeliefSpot endangered animals from every continent in this must-see wildlife list! MammalsA List of Jungle Animals You'll Surely Want to BookmarkDiscover 26 amazing jungle animals from A to Z! MammalsA Really Stunning List of 20 Animals That are Black and WhiteSpot 20 black-and-white animals! MammalsA-Z List of Native Australian Animals with PicturesDiscover Australia's unique marsupials, egg-layers, and clever birds in this wild A-Z guide! Hoofed AnimalsAbsolutely Delightful Facts About the Black-tailed DeerMeet the stealthy Ghost of the Pacific: the secretive Black-tailed Deer! Hoofed AnimalsAfrican Antelope: Species, Sizes, Facts and PhotosMeet Africa's tiniest antelope, smaller than a cat! MammalsAfrican Elephant Habitat: This is Where These Animals Really BelongSpot elephants in Botswana's Chobe Park, home to Africa's largest elephant herd. Big CatsAfrican Lion FactsDiscover why lions are the only cats that live in prides! Big CatsAmazing Physical and Behavioral Adaptations of African LionsDiscover how lions' claws, roars, and teamwork help them survive on the African savanna. MammalsAmazon Rainforest AnimalsMeet the toxic frogs and blue butterflies of the Amazon! MammalsAn Alphabetical List of Endangered Australian Animals with PicturesSpot Australia's rarest creatures in this wild A-Z field guide! MammalsAn Exhaustive List of African Animals With Some Stunning PhotosSpot aardvarks and addax in Africa's wild habitats! MammalsAnimals of the Gobi DesertMeet the rare Gobi bear and two-humped camels surviving the stone desert! MammalsAnimals With an Amazing Sense of Smell: Unbelievable But TrueSniff out bears, sharks, and snakes with super-noses that beat humans! MammalsAnimals With Prehensile Tails: Gripping Facts and PicturesDiscover how monkeys use tails as fifth limbs! Dogs & FoxesArctic Fox Adaptations: How This Tiny Fox Survives the TundraTiny fox, huge winter! Discover how this fox survives -70°C. Big CatsAre Bobcats Dangerous to Humans and Pets?Meet the shy bobcat: safe for you, but watch your pets! BearsAre Polar Bears Endangered? The Truth Will Leave You in ShockPolar bears aren't endangered yet, but melting ice is their biggest threat. MammalsAre Sloths an Endangered Species? A Kid's Guide to All 6 SlothsMeet 6 sloths: Who's vanishing? MammalsArizona Desert Animals, Wildlife of the Grand Canyon StateMeet wolves, owls, and scorpions surviving Arizona's extreme desert heat. Big CatsAstonishing Facts About Amur Leopards, the World's Rarest Big CatsMeet the world's rarest big cat: the elusive Amur leopard! Hoofed AnimalsBenefits of Ammonium Chloride for GoatsKeep male goats healthy by preventing painful bladder stones with safe feed tips! Hoofed AnimalsBison vs. Buffalo: How to Tell These Two Giants ApartNot all hairy giants are bison! Spot the differences between these two giants. Hoofed AnimalsBlack or White? What Color are the Stripes of a Zebra?Are zebras black with white stripes or white with black stripes? Big CatsBrilliant and Interesting Facts About BobcatsSee a bobcat hunting at dusk in a sunny meadow! MammalsCaptivating Facts About Mice That Will Leave You AmazedTiny mice pack big surprises! Discover their secret whiskers and wild tales. Big CatsCaptivating Facts About the Food Jaguars Eat and Their HabitatJaguars hunt 87 prey types in the rainforest! Big CatsCheetah vs. Leopard: Know the Differences and SimilaritiesSpot the spots! Cheetahs have dots, leopards have rosettes. Learn the difference now! PrimatesChimpanzee AdaptationsWatch chimps swing, snack, and share secrets in the wild. PrimatesChimpanzee Diet: Facts About How They Hunt and What They EatChimps hunt monkeys and crack nuts with rocks! Discover their wild diet secrets. Big CatsCougar (Mountain Lion) HabitatMeet the cougar: the wild cat living in 28 countries from Canada to Argentina! MammalsCow Breeds, Taurine, Zebu, Hybrids & Miniature CattleMeet 800 unique cow breeds, from tiny Dexters to giant giants! Dogs & FoxesCoyote vs. Wolf vs. Fox: A Complete ComparisonSee how these wild cousins compare in size, habits, and home! Small MammalsCute and Cool Facts About the Relatively Rare Black SquirrelsMeet the rare black squirrel! Discover the secret melanin mutation behind its cool dark fur. MammalsCutest Animals in the World That Will Make You Go AwwwMeet the giant pandas, playful dolphins, and fluffy sea otters! MammalsDifferences Between the African and Asian ElephantsSpot the elephant differences! Big ears or small? Two fingers or one? MammalsDo Zoos Do More Harm Than Good? The Pros and ConsAre zoos helping animals or hurting them? Find out the truth inside! PrimatesEndangered Gorillas: Why They're Disappearing & Amazing FactsMeet gentle giants! Discover why gorillas are disappearing and their amazing secrets. MammalsEndangered Rainforest Animals That Will Really Shock YouShock! 80% of these amazing rainforest creatures vanished in just three generations. MammalsFacts About Asian Elephants You Won't Believe You Didn't KnowDiscover why female Asian elephants have no tusks and other wild facts! Dogs & FoxesFacts about Coyote - Prairie WolfSee how coyotes conquer cities and deserts! Small MammalsFacts About Gray Squirrels: The State Mammal of North CarolinaWatch this state mammal hide thousands of secret snacks in the trees! MammalsFacts About Jersey Cows You Won't Believe You Didn't Know Until NowMeet the tiny Jersey cow that produces super-rich milk and lives to be 37! MammalsFacts About Ligers, The World's Largest CatMeet the liger: part lion, part tiger, and the world's biggest cat! Small MammalsFacts About SquirrelsSquirrels don't hibernate, they just chill in their cozy nests during the cold! PrimatesFacts About the Astoundingly Colorful MandrillsMeet the world's most colorful monkey! Big CatsFacts About the Bengal Tiger That Will Leave You FlabbergastedDiscover why Bengal tigers are swimmers and how white tigers get their color! Big CatsFacts About the Charming and Elusive Snow LeopardLeopards can't roar! Discover the ghost cat's amazing 50-foot jumps and secret mountain life. Dogs & FoxesFacts About the Coyote-Wolf Hybrid (Coywolf)Meet the coywolf: a wolf-sized coyote hiding in your city! Hoofed AnimalsFacts About the Free-spirited and Intelligent Mustang HorseDiscover the wild, free-spirited mustangs roaming North America's vast lands. Small MammalsFacts About the Raccoon Dog, A Rare But Fascinating SpeciesThe only canine that hibernates with its mate curled up tight! Big CatsFacts About White Tigers That Will Take Your Breath AwayWhite tigers aren't a separate species! Discover the truth about their rare genes. MammalsFacts You Must Know (But Perhaps Don't) About Highland CattleShaggy Scottish cows with built-in sunglasses that thrive in freezing cold! MammalsFascinatingly Crazy Facts About Texas Longhorn CattleMeet the Texas Longhorn! Huge horns, wild colors, and a rugged history. Dogs & FoxesFast Facts About Foxes That Will Leave You SpellboundDiscover why foxes are the cleverest canines with cat-like claws and bushy tails! MammalsFun Facts and Pictures of Animals Whose Names Begin With NDiscover 10+ surprising animals starting with N, from jumping fish to singing birds! BearsGiant Panda BehaviorPandas climb trees fast! Discover their secret moves and bamboo diet. BearsGiant Panda Facts: The Complete Kids' GuideDiscover the secret thumb and bamboo diet of Earth's cuddliest endangered bear! Hoofed AnimalsGiraffe Habitat, Where Do Giraffes Live?Discover how giraffes use their giant necks to eat high in African trees. Dogs & FoxesGray Wolf Adaptations & HabitatSee how wolves survive anywhere with super senses, strong jaws, and pack teamwork! MammalsHard-hitting Animal Abuse Quotes That Will Tug at Your HeartDiscover powerful quotes defending animals from great thinkers. Small MammalsHomemade Squirrel Repellents That are Non-lethal, But EffectiveKeep squirrels away from your garden using safe, homemade kitchen ingredients! Small MammalsHow Exactly is a Chipmunk Different from a Squirrel?Striped cheeks vs bushy tails: spot the difference between these furry cousins! MarsupialsHow is a Possum Really Different from an Opossum?Possums and opossums look alike, but they live on different continents! MarsupialsHow Is a Wallaby Different from a Kangaroo?Wallaby or kangaroo? Spot the size and color tricks! Hoofed AnimalsHow to Care for Pygmy Goats: Believe Us, It's Not DifficultMeet pygmy goats: tiny, colorful, and super friendly from Africa. Hoofed AnimalsHow to Differentiate Between a Donkey, Horse, and a MuleSpot the horse, donkey, and mule with these fun facts! MarsupialsHow to Take Care of a Baby PossumFind a baby possum? Keep it warm, feed it right, and call an expert. Big CatsInteresting Facts about Cougars (Mountain Lions)Discover the cat with 40 names and its amazing 40-foot leap! Big CatsInteresting Facts About Sumatran TigersSmallest tiger! Spot this critically endangered Sunda Island star in the wild. MammalsInteresting Facts About TigonsMeet the rare tigon: a small, striped lion-tiger hybrid born only in zoos. MammalsInteresting Facts About WarthogsWarthogs back into burrows with tusks first to scare predators! Hoofed AnimalsIrish Elk Facts, Megaloceros giganteus, the Giant DeerMeet the Giant Deer: 12-foot antlers wider than a car! Big CatsJaguar Adaptations, How the Rainforest's Apex Predator SurvivesJaguars hide in dappled rainforest light, ready to pounce with powerful jaws. Big CatsJaguar Animal FactsJaguars swim, roar, and crush skulls. Discover their wild secrets, swims, and spots! MammalsJaw-dropping Facts About FishersThe fisher cat isn't a cat! Meet the weasel that eats porcupines. 🦦 Dogs & FoxesJaw-dropping Facts About the Red FoxMeet the clever cat-like canine with 28 sounds! BearsKoala Bear Adaptations, How Koalas Survive in the WildKoalas sleep 18 hours a day to survive a toxic diet. See how they do it! Big CatsLion Habitat: Where Do Lions Live?Lions don't live in jungles! Discover where they actually roam. Small MammalsList of Animals that Use Protective ColorationDiscover 10 amazing animals that hide, warn, or trick predators using nature’s best tricks. MammalsList of Animals With Opposable Thumbs You Have to See to BelieveDiscover animals with opposable thumbs, from apes to pandas! Small MammalsList of Different Types of BatsDiscover 1,200+ bat types, from giant flying foxes to tiny bumblebee bats! MammalsMagically Surprising Examples of Crepuscular AnimalsDiscover magical animals active at twilight! MammalsMammals That Lay EggsMeet the furry egg-laying mammals with duck bills! MarsupialsMarsupials List: 334 Pouched Mammals of the WorldMeet 334 amazing marsupials, from tiny mice to big kangaroos! Big CatsMarvelous Facts About Lions That Kids Will Relish ReadingRoar! Discover why lions are the only social big cats. Big CatsMarvelously Staggering Facts About the CheetahCheetahs beat supercars in a 3-second sprint! Discover why they are nature's fastest racers. MammalsMesmerizing Facts About the Australian WildlifeDiscover Australia's unique critters like egg-laying platypuses and giant emus! PrimatesMonkey Habitat: Where Do Monkeys Live?Hear a Howler Monkey roar 3 miles away in the rainforest! Hoofed AnimalsNorthern White Rhinoceros Facts That'll Have You Gaping in AweDiscover the tragic truth behind the northern white rhino's extinction in the wild today. BearsPolar Bear Adaptations, How They Survive the ArcticSee how polar bears stay warm in freezing Arctic ice! MammalsPros and Cons of Keeping Wild Animals as PetsWild pets look cute but aren't pets! Hoofed AnimalsQuick Facts About Kiko Goats That are Simply DelightfulTough NZ meat goats grow fast and eat anything! MarsupialsRandom Facts About Tree Kangaroos You Really Can't IgnoreLeap 18 meters safely! Discover amazing tree kangaroo facts. MammalsReally Astonishing Facts About African ElephantsElephants shower with trunks then dust off! Discover their amazing secrets. Dogs & FoxesRed Fox Habitat: Places Where These Cunning Carnivorans LiveRed foxes live everywhere! Discover their clever habitats and urban secrets. BearsRed Panda Adaptations: How This Remarkable Animal SurvivesMeet the fire-colored cat with a secret thumb! Hoofed AnimalsReindeer FactsSwimming reindeer with hollow fur for buoyancy? Big CatsRemarkable Differences Between a Canadian Lynx and a BobcatHuge paws or short tail? Spot the secret differences between these wild cousins! MammalsRemarkably Interesting Facts About Wolves You'd Love to KnowDiscover why wolves are clever, social, and misunderstood. Big CatsSave Tigers from ExtinctionOnly 5,000 tigers left! See which 3 vanished forever and how you can help save the rest. Small MammalsSleeping and Nesting Habits of SquirrelsSquirrels sleep 15 hours a day! Discover how they build cozy nests and use tails as blankets. MammalsSpectacular Rainforest Animal Adaptations You Simply Gotta SeeDiscover how sloths, jaguars, and ants survive the wild rainforest! PrimatesStaggering Facts About Spider Monkeys You'd Never BelieveDiscover why spider monkeys are the jungle's trapeze artists with tails stronger than their bodies! MammalsStop Animal Cruelty! These Animal Abuse Facts and Statistics Say WhyCircus stars don't want to perform. Discover the truth behind animal abuse facts. Hoofed AnimalsStupefying Facts About Giraffes That Will Make You GawkLift 550 lbs with your neck? Giraffes do it daily! Big CatsSubspecies of Endangered Tigers You Didn't Know About, But ShouldDiscover 6 tiger subspecies & why 3 vanished forever. 🐾 MammalsSurprising Facts About Armadillos That Will Leave You in AweMeet the tiny armored mammal that can float like a balloon! MammalsSurprisingly Awesome Facts About Limousin CattleGolden French giants with muscles and calm hearts! Dogs & FoxesSurprisingly Fantastic Facts About the Arctic FoxDig deep! Arctic foxes bury lemmings under snow and have the biggest puppy litters ever. Big CatsSurvivors of the Cold: Interesting Facts About Siberian TigersDiscover how Siberian tigers survive extreme cold and hunt in the wild. MarsupialsTasmanian Devil Characteristics and HabitatMeet the devil with the strongest bite ever! Discover its secrets in Tasmania. MammalsThe State Animal of Texas: Facts About the Nine-banded ArmadilloTexas's armored state animal walks underwater and has four identical babies! Hoofed AnimalsThe Symbol of Canada's Native Wildlife: Facts About the MooseWorld's largest deer: 1,800 lbs of giant antlers and swimming skills! MammalsThe Top 10 Most Aggressive Animals in the WorldHippos bite harder than lions! Meet the top 10 fierce animals. MammalsThese Animals Went Extinct in the Last 100 Years. Know Why?See 30+ animals lost in 100 years & why humans caused their disappearance. PrimatesThis is Why Monkeys Don't Really Make Good PetsMonkeys look cute, but they make dangerous, stressed pets. See why. PrimatesThis List of Endangered Monkeys Highlights the Need for ConservationSee 80 monkeys fighting to survive. Click to meet them! Big CatsTiger's Habitat: What do Tigers Eat?Discover where tigers live and what giants eat for dinner! BearsTingly Facts About Polar Bears That Kids Will Love to Read AboutSwimming Arctic giants hunt seals on ice. Discover amazing facts about these white giants! Dogs & FoxesUnbelievable Facts About the Eating Habits of CoyotesCoyotes eat anything! Discover their sneaky city survival secrets. MammalsUnbelievably Amazing Examples of Animal AdaptationsCamels, bears, and chameleons: Amazing animal survival tricks! PrimatesUndeniably Interesting Facts About MonkeysThat yawning monkey? It's not tired—it's angry! Discover wild primate secrets. MammalsUnexpectedly Awesome Examples of Omnivorous Animals With PicturesBlack bears feast on berries and fish. Discover 10 awesome omnivores! MammalsUnusual and Little-known Facts About MammalsWhales have hair, sloths have extra neck bones, and bats weigh less than a penny! BearsUtterly Incredible Facts About the Hibernation of BearsBears hibernate for 8 months without eating, drinking, or pooping! Big CatsUtterly Mind-boggling Facts About the White Bengal TigerDiscover why white Bengal tigers are rare, royal, and totally unique! Small MammalsWeasel Facts, Small, Fierce, and FascinatingTiny weasels hunt giant prey with lightning speed and fierce courage! Big CatsWhat Do Cheetahs Eat? Diet, Hunting & Fascinating FactsWatch the world's fastest cat sprint at 75 mph to catch its dinner! MammalsWhat Do Elephants Eat? Diet, Habits & Fun FactsElephants eat 300 lbs of food daily! Discover their leafy, fruity diet habits. Dogs & FoxesWhat Do Foxes Eat? Diet, Hunting Habits & Fun FactsFoxes eat mice, berries, and even trash! Learn their secret hunting moves. MammalsWhat Do Groundhogs Eat? Not What You ThoughtGroundhogs munch one-third of their body weight daily! See their favorite garden snacks. MammalsWhat Do Pigs Eat? Diet Patterns of These OmnivoresPigs eat flowers, worms, and acorns! Discover what omnivores really munch on. BearsWhat Do Polar Bears Eat? Well, It's Not What You ThoughtPolar bears love seals! See how they hunt on ice. Small MammalsWhat Do Squirrels Eat?Squirrels eat way more than nuts! Discover their surprising wild snacks. Hoofed AnimalsWhat Do Zebras Eat? Diet, Habits & the Three Species ComparedZebras spend 60% of their day eating grass! Discover their unique diet secrets. MammalsWhat Is an Endemic Species? A Kid's Guide to Animals Found in Just One PlaceDiscover animals that live in only one place on Earth! BearsWhere Do Giant Pandas Live? Habitat, Range & FactsPandas climb trees in misty bamboo forests! Discover where these endangered bears live. MammalsWhere Do Wolves Live, You Wonder? Here's the RealityHowling in snow or prairie? Discover where wolves roam! Big CatsWhite Lion Facts, The Rare Ghost Lions of AfricaWhite lions aren't albinos! Discover the rare genetic secret behind Africa's ghost lions. Big CatsWhite Siberian Tigers, The Truth Behind the MythWhite tigers are Bengal tigers, not Siberian ones! PrimatesWhy Are Chimpanzees Endangered? Painful Reasons & What We Can DoChimps are endangered. See why their forests are vanishing and how you can help save them today. Marine MammalsWhy Are Orcas Called Killer Whales? Here's the Surprising AnswerWhy are orcas called killer whales? They're actually giant dolphins! Hoofed AnimalsWhy Do Reindeer Shed Their Antlers?Why do reindeer drop their bone crowns? MammalsWolverine Animal Facts, Amazing Things You Didn't KnowBear-sized but a weasel! Meet the tiny, tough wolverine. MammalsWonderfully Astounding Facts About GroundhogsDig deep to learn how woodchucks move 700 lbs of soil! Dogs & FoxesWondrous Facts About the Maned Wolf You Probably Never KnewMeet the fox-on-stilts: a unique South American canid with super-long legs! Hoofed AnimalsZebra Adaptations & Facts: How Zebras SurviveZebras wear camouflage! Discover how stripes save lives.

Keep exploring, keep learning 🐾

…and most of all, be kind to all animals.