Animals & Wildlife

128955538.jpg - Photo © Borut Furlan / Getty Images.

Know Your Nudibranchs

The desert biome is, in general, a dry boime. It includes terrestrial habitats that receive very little rainfall each the year, generally less than 50 centimeters. - Photo © Alan Majchrowicz / Getty Images.

Desert Biome: The Driest of All Terrestrial Biomes

Common Seal - Phoca vitulina - Photo © Planet Pictures / Getty Images.

Common Seals: The Harbor Seals

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Animals & Wildlife
The Latest in Animals & Wildlife
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Can You Name the Six Different Types of Animals?
In this slideshow, you'll discover the six main animal groups, ranging from the simplest (invertebrates) to the most complex (mammals).
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Do You Know These 10 Essential Fish Facts?
The world's oceans, lakes, and rivers harbor tens of thousands of fish species. Here are 10 essential facts about fish that everyone should know.
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Do You Know These 10 Basic Invertebrate Facts?
The vast majority of animals on earth are invertebrates—animals that lack backbones and internal skeletons. Here are 10 invertebrate facts everyone should know.
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A Beginner's Guide to Bird Classification
In this slideshow, you'll learn about the 30 main bird groups, ranging from albatrosses to woodpeckers.
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10 Fun Facts About Reptiles
They're nowhere near as common as they were 100 million years ago, but reptiles are still some of the most distinctive animals on earth.
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Want to Donate Your Money to Wildlife? Here's Where to Go
Do you want to donate your money to a reputable, and effective, wildlife conservation organization? Here's our list of the 10 best, ranging from the World Wildlife Fund to the National Audubon Society.
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Meet the 21 Orders of Mammals
Are you familiar with the 21 orders, or groups, of mammals? This slideshow will take you on a guided tour, ranging from tiny aardvarks (order Tubulidentata) to much bigger whales and dolphins (order Cetacea).
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The Eight Traits That Make an Animal an Animal
What exactly is it that defines an animal? Here's a slideshow of the eight main animal characteristics, ranging from multicellularity to sexual reproduction.
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These Eight Traits Separate Mammals From Other Vertebrates
What makes mammals different from other vertebrate animals? Here's a slideshow of the eight main mammal characteristics, ranging from hair to four-chambered hearts.
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The 25 Biggest Living Things on Earth
Here's our list of the 25 biggest living things on earth, ranging from viruses and mammals to plants and fungi.
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Do You Know These 10 Basic Primate Facts?
The mammalian order of primates includes monkeys, apes, lemurs, and human beings. Here are 10 facts about primates that every scientifically literate person should know.
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How Much Do You Know About Arthropods?
Arthropods--which include insects, spiders, and crustaceans--are by far the most common animals on earth. Here's a slideshow of 10 essential arthropod facts.
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How Much Do You Know About Giraffes?
With their long necks, richly patterned coats and stubby ossicones, Giraffes are among the most recognizable animals on earth. Here are 10 essential Giraffe facts.
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Do You Know These 10 Essential Amphibian Facts?
A crucial link between water-dwelling fish and land-dwelling reptiles, amphibians are among the most fascinating animals on earth. Here are 10 fascinating amphibian facts.
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Do You Know These 10 Essential Bird Facts?
One of the six basic groups of animals, birds are characterized by their feathers and (in most species) the ability to fly. Here are 10 essential bird facts everyone should know.
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