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 Biggest Frog in the World (Plus 11 Massive Contenders)
The Glass Frog Diverts Its Blood Flow to Activate Invisibility
What Do Frogs Eat? Whatever They Can Swallow Whole
10 Types of Ticks for You and Your Pets to Avoid
What Do Crickets Eat? A Peek at Omnivorous Scavengers
The Katydid Is a Vibrant Master of Disguise (and Nocturnal!)
15 Yellow Birds Brightening a Skyline Near You
15 White Birds Soaring Over Africa, Asia, Europe and the Americas
Goose vs. Duck Identification: Size, Bills and Neck Length
South Padre Island Shark Attack: A Nightmarish July 4
Do Sharks Lay Eggs? Surprisingly Not a 'Yes or No' Question
Rainbow Shark: Closer to a Minnow Than a Great White
10 Types of Lions (Including 4 Extinct Species)
What Do Skunks Eat? Just About Anything They Find
Bison Bounced Back From Near Extinction
A Barnacle Attaches for Life (Yes, They're Living Crustaceans)
Blue Crab: A Savory Beauty and Maryland Staple
Japanese Spider Crab: Enormous and Harmless to Humans
What Do Lizards Eat in the Wild? What Should You Feed a Pet Lizard?
The Arabian Sand Boa Burrows in Sand to Ambush Prey
What Do Alligators Eat? Pretty Much Anything They Want
Learn More / Page 37
Entomologists estimate that there are between 5 and 10 million species of insects on Earth. But if asked which insect they hate the most, many people would have no trouble choosing just one -- the cockroach.
Although jellyfish have been around for over 650 million years, they're still very mysterious. Learn the all about the fascinating jellyfish life cycle.
A snake can swallow an animal that's twice as big as its own head -- and swallow it whole. Snakes are amazing creatures with some astonishing capabilities. Did you know that a few of them can even fly? Learn how snakes get around, how they kill and eat their prey, and how they court and reproduce.
By Lacy Perry
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Alligators are amazing animals that have been around for millions of years. These fearsome creatures are expert predators at the top of the food chain.
Love 'em or hate 'em, you've got to admit that spiders are some pretty impressive animals. Movies like "Arachnophobia", "Spider-Man" and "Eight Legged Freaks" even spin their stories around spiders. Check out the real-life web-slinging, wall-crawling, venom-injecting inspiration.
By Tom Harris
Despite their monumental proportions, the most phenomenal thing about whales isn't how big they are: It's the way they live. Whales are mammals -- warm-blooded, air-breathing creatures -- but they spend their entire life in the ocean. Find out about these awe-inspiring creatures.
By Tom Harris
I always see moths circling around and landing on my porch light. Why do they do this? Is it somehow advantageous to them?
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In 2005, there were 3,000 verified cases of West Nile Virus in the U.S. alone, and we can probably expect even more this year. This mosquito-borne disease keeps popping up. Find out all about mosquitoes.
Think you know what bats are all about? Chances are you're operating under at least a couple of misconceptions. Sort out the facts from the myths and see what makes bats so unique.
By Tom Harris
Do whales and dolphins sleep? I know they have to come to the surface of the water periodically to breathe, so wouldn't they die if they dozed off?
The oldest shark fossils date from more than 300 million years ago, before the dinosaurs. A few species have kept the same physical characteristics for more than 150 million years. How have they survived so well?
By Tom Harris
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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.
How exactly does an oyster create a pearl, and what is the difference between a natural pearl and a cultured pearl?
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Wallabies and kangaroos may look alike, but they're not identical marsupials. We'll tell you how to determine which is which.
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?
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
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
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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.
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?
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.
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