Wild Animals
Whether they crawl, fly, swim, slither, walk, run or pounce, wild animals rely on their instincts. Read about all kinds of wild animals, mammals, birds, fish, insects, reptiles and amphibians.
The Glass Frog Diverts Its Blood Flow to Activate Invisibility
What Do Frogs Eat? Whatever They Can Swallow Whole
Golden Poison Dart Frog Eats Toxic Insects for Its Own Poison
What Do Moths Eat? Nectar, Dung and Your Favorite Sweater
What Do Cicadas Eat? Depends How Old They Are
What Do Spiders Eat? Other Spiders, You Say? Yikes!
15 Brown Birds You'll Spot in the Northern Hemisphere
20 Black and White Birds and Where to Spot Them
The Tiny Kiwi Bird Is Related to Massive Emus and Ostriches
The Moray Eel Is a True Eel, Unlike Electric Imposters
The Hairy Frogfish Is Hairless and Not Actually a Frog
The Frilled Shark Has a 3-Year Pregnancy Before Giving Birth
Black-footed Cat: A Tiny and Ferocious Predator
What Do Deer Eat During Different Seasons?
What Do Foxes Eat When They're Not Raiding Your Garden?
Blue Crab: A Savory Beauty and Maryland Staple
Japanese Spider Crab: Enormous and Harmless to Humans
No, the Leaf Sheep Sea Slug Is Not an AI Hallucination
The Arabian Sand Boa Burrows in Sand to Ambush Prey
What Do Alligators Eat? Pretty Much Anything They Want
14 Big Lizards That Outsize Your Cat (and Many Dogs)
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Birds of prey are some of nature’s most fascinating creatures, but when it comes to buzzard vs. vulture species, things can get a little confusing.
By Zach Taras
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
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
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Two of the largest flightless birds on the planet may look similar but they typically live on different continents and have evolved unique adaptations for survival. How are your emu vs. ostrich identification skills?
By Talon Homer
If you're into marine oddities, few animals capture the imagination quite like the hairy frogfish. This bizarre, underwater ambush predator may look like a ball of algae, but don't be fooled: It's a master of camouflage and a nightmare for unsuspecting prey.
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
Turkeys have become a traditional dish to eat during Thanksgiving festivities. But have you ever wondered, what do turkeys eat?
By Ada Tseng
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Goats are endlessly curious animals famous for their ability to eat just about anything — but don't be fooled. A goat's diet isn't just about munching on random objects; it requires careful balance to keep all the goats healthy and thriving. So, what do goats eat, really?
By Yara Simón
How do you identify a locust vs. grasshopper? They both belong to the grasshopper family (Acrididae), have powerful hind legs for jumping and share many physical traits. Despite their similarities, these two insects exhibit key behavioral and physiological differences that set them apart — especially when it comes to their ability to form massive, crop-devastating swarms.
By Mack Hayden
When it comes to big cats, jaguar vs. leopard identification can be tricky due to the animals' similar spotted coats. However, these wild cats belong to separate species within the genus Panthera and have distinct differences in appearance, behavior and habitat.
By Mack Hayden
The most colorful birds come in such dazzling hues that they are often the subject of artists and photographers.
By Ada Tseng
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Whether they're prowling the forest floor or basking in the sun, big lizards are fascinating creatures. They come in all shapes and sizes, with some being land-dwelling behemoths and others being arboreal species that rule the treetops.
By Yara Simón
This adorable sea slug (also called a leaf slug or sea sheep) is one of the most unique examples of marine life on Earth. Similar to mollusks and other nudibranch species, these little guys spend most of their lives crawling slowly along the sea floor in warm, shallow waters without a care in the world.
By Mitch Ryan
The largest bird of prey is a raptor that dominates the air with its massive wingspan, incredible strength and razor-sharp talons. The biggest birds aren't just impressive because of their size; they're also some of the most powerful predators in the avian world, from the highest peaks of South America to the vast forests of Asia.
By Yara Simón
The green anaconda — scientific name Eunectes murinus — is the heaviest snake species on our planet. These colossal serpents slither through the waterways of South America, captivating our imaginations with their immense size and power.
By Yara Simón
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When you think of rodents, you might think of tiny mice running through your cellar or the adorable hamster that was your 5th grade class pet.
By Ada Tseng
Octopuses are known their eight legs, squishy bodies and impressive problem-solving skills. But did you know there are over 300 types of octopus species?
By Ada Tseng
Octopuses are cephalopods that have three hearts and eight arms that are covered with suckers. The largest octopus is the giant Pacific octopus. As its name suggests, the Giant Pacific Octopus lives in the North Pacific Ocean.
By Ada Tseng
There are about 200 documented species of jellyfish pulsing their way through the world's waters. Most range from the size of your belly button to the size of a car tire.
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The animal kingdom is home to some truly slow-moving creatures that take life at a leisurely pace. The slowest animal in the world uses sluggish movements that require less energy, which is crucial for animals with limited food resources. Being so slow that they look completely still is a good strategy to hide from vicious predators.
By Ada Tseng
Polar bears are one of the largest mammals on land; only the African elephant can tower over the polar bear in this corner of the animal kingdom. But how do you measure the biggest bear? By height or by weight?
By Ada Tseng
Flightless species of birds (such as ostriches, which are the largest living birds) tend to outsize any of the largest birds in the sky. Bigger sizes, while a liability in the air, can keep flightless birds safer on land.
By Ada Tseng
One of the most unique about whales is that they're the largest animals to ever exist on Earth — even bigger than the largest dinosaurs to have ever roamed the planet. That's right: The biggest whale of today dwarfs the T. rex.
By Ada Tseng
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The eland is one of the largest antelopes — and one of the most graceful. Known scientifically as Taurotragus oryx, the eland lives in Africa, mostly in eastern and southern Africa.
By Yara Simón
Sables are luxurious little animals. These fur-bearing mammals, native to the forests of Eurasia, have sandy yellow, light brown, dark brown and black coats, which are valuable commodities in the fur trade. Sable pelts are a symbol of wealth and elegance.
By Yara Simón