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.
Toad vs. Frog: Differences in Anatomy, Habitat and More
What's the Difference Between a Newt and Salamander?
Mexican Salamander Could Hold Key to Spinal Cord Regeneration in Humans
Flying Ants Aren't a Separate Species, But a Life Stage
6 Facts About How Bees Learn, Think and Make Decisions
Do These Nightmare Parasites Hack Snail Brains to Survive?
The 3 Types of Ducks Every Birdwatcher Should Know
10 Types of Owls: From Tiny Screech-owls to Great Horned Owls
What Do Ducks Eat? Why You Shouldn't Feed Ducks Bread
The Biggest Catfish Ever Caught (That We Know Of)
The Fastest Fish in the Ocean Can Swim at Nearly 70 MPH
Why Do Sheepshead Fish Have 'Human' Teeth?
What Is the Biggest Cat in the World? Top 9 Species in the Wild
The Largest Bat in the World Has a Wingspan Over 5 Feet
Bison vs. Buffalo: What's the Difference?
The True and Tragic Story of Tilikum, SeaWorld's Captive Orca
10 Deep Sea Creatures That Are (Almost) Too Bizarre to Be Real
The Biggest Crab in the World, Plus 8 Enormous Contenders
The Biggest Alligator on Record, by Weight and Length
Papuan Olive Python: New Guinea's Behemoth in the Rainforest
Amethystine Python: Australia's Largest Native Snake
Learn More / Page 30
Insect respiration is very different from that of a human. Insects do not have lungs that deliver oxygen to all of the cells in their body. So how exactly do flies and other insects breathe then? Find out the answer to that question in this article.
When flickering fireflies light up the summer night, they’re not showing off – they’re talking to each other. How do these insects make their abdomens glow?
Owls are one of those bird species that everyone loves. Check out these cool owl images to learn more about our nocturnal friends.
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To the average person, these two reptiles might look the same, but they're not. So what's the difference between alligators and crocodiles?
By Mitch Ryan
How exactly does an oyster create a pearl, and what is the difference between a natural pearl and a cultured pearl?
Never wish a jockey good luck by saying "break a leg." Horses with broken legs might face a grim future, but does that mean they must be euthanized?
The bobcat and lynx may not be much larger than the house cat lounging on your couch, but these felines rely on specific adaptations to survive in the wild.
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Whether used in fashion or complicated mating rituals, peacock feathers drive the ladies crazy. But, what happens when a peacock loses his last feather? Will he become a fashion-don't?
You've heard this advice a million times, and perhaps it even brings you comfort when you're in gator territory. But is it really true?
By Alia Hoyt & Amy Hunter
As Hitchcock's 1963 horror classic "The Birds" taught us, it's a good idea to respect our avian friends. Before you accidentally let any bad luck take wing, peck away at these bird-related superstitions.
By Bambi Turner
Wallabies and kangaroos may look alike, but they're not identical marsupials. We'll tell you how to determine which is which.
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As much as human beings have encroached on wildlife over recent decades, there are still several species of big cats living wild in the U.S. today.