Featured Article: How Cave Biology Works
A funny thing happens when you live in complete darkness. You lose your eyesight. At least that's what's happened to the species that have evolved inside our deepest, darkest caves. See more »
animal facts library
Learn about some of the strange and unusual facts and terms in the animal kingdom.
Top 5 Funny Animal Videos
Animals, just like people, are quirky and funny creatures. Check out these top 5 funny animal videos to see what we mean.
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Top 5 Poisonous Animal Videos
A poisonous animal is one that captures its prey or defends itself by means of a poisonous bite or sting. While there are many poisonous creatures out there, these are our top 5 poisonous animal videos. Beware and be careful.
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Top 5 Strange Animal Videos
Some animals can be pretty awe-inspiring creatures, some can be pretty strange. Check out our Top 5 strange animal videos to learn about a handful of quirky animals.
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What if an astronaut took his/her pet bird into space? Would it still be able to fly?
What would happen if birds were released into space? Well, we don't know, but we think that birds in space would actually do quite well because their wings would help stabilize them as they float through space.
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What is filter feeding?
Forks. Knives. Spoons. Chopsticks. All those utensils are a pain to pick up and set down again. What if you could just open your mouth wide?
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What's the difference between a snake and a legless lizard?
That slithery, snakelike form that just darted past might not be a snake after all. It could be legless lizard, an animal that evolved from an entirely different line.
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Why are moose more dangerous than bears in Alaska?
How could the gentle, loafing moose be more threatening than a grizzly bear? Find out what you should do if that looming moose barrels at you like a bull.
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Why do groups like PETA oppose the Iditarod?
Dogsled race officials and mushers say that they put the welfare of the dogs first. But animal rights activists say they will continue to protest the Iditarod and other sled dog races.
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10 Things to Do if You've Been Skunked
Skunks pack a punch, so if you want to avoid being sprayed, it's best to stay away. Because of their small size, skunks have to use their pungent spray for self-defense purposes. See our list of 10 things to do if you've been skunked.
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11 Animals that Use Camouflage
Many animal species are designed with built-in protection in the form of their skin color. There are also some animals that have developed appendages that mimic the appearance of leaves and plant branches. Learn about 11 animals that use camouflage.
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22 Peculiar Names for Groups of Animals
How do you refer to a group of goldfish or a gathering of butterflies? This list shows some of the strange and interesting names that are used for a particular group of animals. Learn 22 peculiar names for groups of animals only at HowStuffWorks.
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7 Animals that Can Be Heard for Long Distances
You think cell phone users are loud? Some of these animals can be heard for miles. A blue whale can produce a 188 decibel sound that can be heard hundreds of miles away. See our list of 7 animals that can be heard for long distances.
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Animal Culture
On a grassy slope above the shore of Lake Tanganyika in the east African nation of Tanzania, two male chimpanzees spot a hole in the ground, into which a long column of ants is marching. Learn all about animal culture.
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Animals
An animal is a member of the kingdom Animalia, one of the great kingdoms of living things.
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Antennae
Antennae, or Feelers, jointed sense organs located on the heads of centipedes, millipedes, crustaceans, and certain insects.
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Aquarium
Aquarium, a tank or container that is filled with water and stocked with aquatic organisms, especially fish; also an establishment in which these organisms are exhibited.
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Arthropod
Arthropod, an animal of the phylum Arthropoda. This phylum of invertebrates (animals without backbones) includes insects, spiders, ticks, lobsters, and centipedes.
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Bird Facts
Approximately 10,000 species of birds make up the class Aves--a diverse group that has long fascinated the human race with peculiar behaviors and adaptations.
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Carnivora
Carnivora, an order of flesh-eating mammals, most of which have powerful jaws with sharp teeth, and sharp claws.
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Cave Animals
Cave Animals, animals that live all or part of their lives in caves. Temporary cave tenants include bears, mountain lions, foxes, wildcats, and many other carnivorous animals, as well as bats, oilbirds, and swifts.
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