Mammals
Scientifically-speaking there are 11 mammal groups, and most Mammals are warm-blooded, have body hair, give live birth and nurse their young with milk from mammary glands. Check out these articles about all kinds of mammals.
River Otter vs. Sea Otter Size, Fur Density and Food Preferences
This Is the Biggest Whale, by Length and by Weight
The Bowhead Whale Survives Icy Waters and Killer Whale Attacks
The Largest Bat in the World Has a Wingspan Over 5 Feet
Baby Bats Babble With Moms, Hinting at Human Language Development
Fruit Bats Are the Best Pollinators (and Suppliers of Tequila)
What Do Pandas Eat (Other Than Bamboo)?
Polar Bear vs. Grizzly Bear: Which Bear Is Bigger and Tougher?
The Biggest Bear Stands 5 Feet Tall on All Fours (Not Even on Its Hind Legs)
10 Types of Lions (Including 4 Extinct Species)
What Do Lions Eat in the Wild?
Black-footed Cat: A Tiny and Ferocious Predator
Bison Bounced Back From Near Extinction
Ox vs. Bull: Born to Breed or Born to Work?
Ox vs. Cow: Different Uses for the Same Species
The Happiest Animal on Earth Is the Quokka
What Do Possums Eat? Most Things, It Turns Out
What's It Like Inside a Kangaroo's Pouch?
15 Types of Monkeys Climbing Trees All Around the World
What Do Gorillas Eat? How Are They Such Muscular Herbivores?
The Tarsier Is One Weird Primate, and Yes, We're Related
What Do Groundhogs Eat?
What Do Squirrels Eat (Aside From Nuts)?
What Do Rats Eat? Whatever They Can Get Their Paws On
What Do Skunks Eat? Just About Anything They Find
What Do Raccoons Eat? You Won't Be Surprised
What Do Foxes Eat When They're Not Raiding Your Garden?
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Lions, one of the most iconic big cats in the animal kingdom, belong to the species Panthera leo, but not all lions are the same. There are several recognized subspecies, each adapted to a specific region and environmental conditions.
By Nico Avelle
If you're catching whiffs of something funky near your porch, you might be wondering, "What do skunks eat?" These black-and-white foragers are best known for their defensive skunk spray, but their feeding habits are just as distinctive.
By Nico Avelle
Massive, majestic and deeply woven into the fabric of North American history, the bison is more than just an iconic mammal; it's a symbol of survival and conservation.
By Nico Avelle
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What do raccoons eat when they’re rummaging around at night like masked bandits?
By Nico Avelle
Found swinging through the canopies of tropical forests or foraging on the forest floor, the many types of monkeys are split into two main groups: Old World monkeys and New World monkeys. These primate species differ in habitat, behavior and physical traits, from prehensile tails to colorful facial features.
By Nico Avelle
If you've ever watched a nature documentary, you might have found yourself asking, what do lions eat? These majestic big cats, known scientifically as Panthera leo, are obligate carnivores that rely entirely on meat to survive.
By Nico Avelle
If you've ever stood on a farm and wondered about the ox vs. bull debate, you're not alone. These two male bovine animals might look similar, but there's a key difference that sets them apart.
By Nico Avelle
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If you've ever driven past a farm and wondered about ox vs. cow differences, you're tapping into a classic question in animal science.
By Nico Avelle
You’ve seen them pop up on Groundhog Day, predicting six more weeks of winter or the coming of spring. But what do groundhogs eat?
By Ada Tseng
You might think that all aquatic otters must be the same. But did you know that there are major river otter vs. sea otter differences?
By Ada Tseng
In the vast wilds of southern Africa, one of the fiercest hunters is also one of the tiniest. Meet the black-footed cat, also known as Felis nigripes. This small spotted cat may look like a house pet, but its stocky body, short tail and stealthy hunting skills place it among the most formidable of the wild cats.
By Nico Avelle
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What do deer eat? If you've ever spotted a deer nibbling on leaves or wandering through a meadow, you might have wondered about preferred deer foods. The answer depends on the season, the environment and even the specific species of deer.
By Nico Avelle
Foxes live in a wide range of environments, from rural areas to urban spaces and their eating habits reflect this adaptability. So, what do foxes eat when they’re in the wild versus when they’re sneaking around urban areas?
By Mack Hayden
These furry, acrobatic foragers can be found leaping through trees, raiding gardens, and even showing up at your squirrel feeder. But what do squirrels eat in the wild versus in urban areas?
By Mack Hayden
Giant pandas are basically the ultimate bamboo-eating machines. But what do pandas eat besides this crunchy green staple?
By Mack Hayden
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The Bengal tiger is one of the biggest wild cats on the planet. It's also a popular tiger in pop culture. Shere Khan from "The Jungle Book," Rajah as Jasmine's pet tiger in "Aladdin" and Richard Parker from "Life of Pi" — they're all Bengal tigers!
By Ada Tseng
Rats are nature’s ultimate survivors. But what do rats eat? These highly adaptable rodents will chow down on just about anything they can find, from meat scraps to fruit trees.
By Yara Simón
Camels: nature’s ultimate desert survivors! But what do camels eat? These incredible animals have adapted to eat some of the toughest, driest and least appetizing plants on Earth. From thorny plants to salty plants, camels manipulate their environment to get the nutrients they need.
By Mack Hayden
When it comes to massive, powerful bears, one showdown often comes to mind: polar bear vs. grizzly bear! These two bear species may look similar, but they have distinct differences in habitat, behavior and even diet. So, what happens when these giants of the animal kingdom cross paths?
By Talon Homer
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When it comes to spiky animals, hedgehog vs. porcupine species seem easy to confuse on paper. At first glance, they seem similar, both covered in sharp quills that help them defend against predators.
By Ada Tseng
When it comes to wild canines, coyote vs. fox identification can be tricky. At first glance, both coyotes and foxes may look similar with their bushy tails and pointed ears. But these two animals have plenty of key differences, including size, behavior, habitat and even how they hunt.
By Mack Hayden
Elk vs. moose comparisons are a lot easier to make when you realize that two of the largest members of the deer family differ significantly in size, behavior and appearance.
By Talon Homer
An adult horse should typically eat about 1.5 to 2 percent of its body weight in food each day. This means a 1,000-pound (454-kilogram) horse may eat 15 to 20 pounds (6.8 to 9 kilograms) of hay and grass daily.
By Ada Tseng
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Gorillas — one of the most powerful great apes — have a diet that might surprise you. Even though they’re massive and strong, their meals consist mostly of plants. But let's get specific: What do gorillas eat in the wild, and how do their diets change depending on where they live?
By Talon Homer
Ah, the great marmot vs. groundhog distinction. These two burrowing, chubby members of the squirrel family that are often mistaken for the same animal.
By Talon Homer