Animal Facts

Learn about some of the strange and unusual facts and terms in the animal kingdom.

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.

How Aquaculture Works

Where do we get all the fish and other seafood that we eat? How do fish farmers keep up with the heavy demand?

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?

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.

How Animal Domestication Works

Domesticated animals provide us with innumerable products, hours of labor and even loving companionship. Find out why the dog was so easily domesticated and why you'll never see someone riding a zebra.

Do animals have personalities?

Well, duh. Of course animals have personalities, right? Find out how scientists are proving what pets owners have always suspected: animals -- both pets and wild animals -- possess personality.

How Hibernation Works

Walking, breathing, thinking: All of these activities burn energy. But in the winter when food supplies are scarce, some animals conserve their energy -- by hibernating.

How Dog Shows Work

The droopy-faced bloodhound. The prancing poodle. The small Maltese you could easily mistake for a mop. How can these impossibly different dogs compete for the same prize?

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.

How Animal Migration Works

Caribou travel 2,000 miles over arctic tundra in order to migrate. The annual migration of monarch butterflies lasts longer than a typical monarch's lifespan. What makes these animals so determined to move?