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 Fish Ever Caught (By IGFA Standards)
The Biggest Catfish Ever Caught (That We Know Of)
The Fastest Fish in the Ocean Can Swim at Nearly 70 MPH
The Happiest Animal on Earth Is the Quokka
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
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
How the Spider-tailed Horned Viper Tricks Unsuspecting Prey
The Biggest Alligator on Record, by Weight and Length
Papuan Olive Python: New Guinea's Behemoth in the Rainforest
Learn More / Page 29
Fainting goats don't really faint -- their muscles tense up and they fall over when they get scared. But why would anyone want a fainting goat?
By Robert Lamb
Cicada singing is often heard during the hot summer months. The distinctive high-pitched noise often fills the air. What's the purpose of that noise?
Contrary to popular belief, bats don't go around biting people and sucking blood. Bats got a bad reputation from the Dracula stories, but they actually prefer eating insects over blood. Find 13 incredible bat facts only at HowStuffWorks.
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Bats are often found sleeping upside down during the day. They roost in secluded areas such as hollowed out trees and caves. Have you ever wondered why bats sleep upside down? Find out the answer to this question in this HowStuffWorks article.
Some say that during a rainstorm, turkeys will stare up at the sky with their beaks hanging open, transfixed, until they drown. Is this really true?
Chiggers are tiny arachnids that are known for delivering bites that itch intensely. Find out how chiggers work and learn about the chigger reproduction cycle.
Termites have existed for 50 million years and can be found throughout the world. Learn about termites and find out how termite colonies are structured.
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Monkeys and apes have lots of similarities, but they're not the same animal. In a lot of ways, it all comes down to the tail.
Until now, no one has documented a definite case of chimpanzees using tools to hunt in the traditional sense. Find out what a new study on chimpanzees may reveal about human evolution.
By Julia Layton
Ticks are parasites that feed on the blood of their hosts -- human or otherwise -- and are known for carrying diseases. Learn all about ticks, including how to remove them.
Fleas are essentially freeloaders that live off the blood off the blood of us and our pets. So how can you get rid of these nasty parasites?
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Did you know you conserve energy every time you walk across a room? You do, in evolutionary terms at least. Find out how and why humans began walking upright and what this has to do with our body's energy use.
Cow flatulence produces the greenhouse gas methane, which is linked to global warming. Find out how scientists are working to reduce cow flatulence in livestock.
Although no one can yet tell how old lobsters get, they show no apparent signs of aging. Learn why lobsters live so long and get so big, and what this means for other animals, including humans.
Squid have been featured in sailing myths and legends for more than 300 years. They're swift, agile and surprisingly intelligent creatures with brains larger in proportion to their bodies than most fish and reptiles have. Learn about all squid, squid anatomy and how big squid can can actually get.
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Bees exhibit many traits found in stories and myths -- traits that have led many cultures to view them with reverence or awe. Explore how bees make honey and examine the potential causes and effects of Colony Collapse Disorder.
If you're wandering on the beach and happen upon a large mass of some sort of waxy substance, take a closer look. It could be the rare "floating gold" of the sea: ambergris. Find out whether this whale poop can help you retire rich.
By Julia Layton & Alia Hoyt
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.
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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
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
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I always see moths circling around and landing on my porch light. Why do they do this? Is it somehow advantageous to them?
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.