The World's Wildlife Encyclopedia

Experience the Wonder of Wildlife

We believe that when people understand the natural world, they'll better care for the earth and all the creatures that call it home. Explore thousands of species with detailed profiles, conservation data, and stunning photography.

Animal Encyclopedia

Dive deep into detailed profiles with scientific data, habitat maps, conservation status, and family relationships.

Explore All Animals
A Valley bulldog (bull-boxer) standing outdoors.

Valley Bulldog

Canis lupus familiaris
Fastest Sea Animal: Swordfish

Swordfish

Xiphias gladius
pelycosaur skeleton

Pelycosaurs

Pelycosauria
A very colorful male Nothobranchius rachovii killifish.

Killifish

Cyprinodontiformes
Sichuan Takin (Tibetan Takin) lying in the grass.

Sichuan Takin (Tibetan Takin)

Budorcas taxicolor tibetana
Front view of a great potoo during night on an antenna

Great Potoo Bird

Nyctibius grandis
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Endangered & Extinct Animals

EX Extinct EW Extinct in the Wild CR Critically Endangered EN Endangered VU Vulnerable NT Near Threatened LC Least Concern

Animals Around the World

Africa Asia Central America Europe North America Oceania South America Ocean
Animal of the Day
Gray Fox standing in tall grass

Gray Fox

Urocyon cinereoargenteus

The canid that climbs like a cat

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Stories & Articles

Fresh content from wildlife researchers, zookeepers, and nature enthusiasts. News, discoveries, and fascinating facts.

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2,900+ Animal Profiles
7 Continents
25,000+ Expert Articles
Explore by Environment

Journey Through Earth's Habitats

From frozen tundra to tropical rainforests, discover the creatures that call each ecosystem home.

Ocean

2,400+ species

Rainforest

5,100+ species

Savanna

1,750+ species

Desert

890+ species

Arctic

340+ species

Mountains

1,200+ species
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More Ways to Learn

Go Beyond the Encyclopedia

Animal Quizzes

Test your wildlife knowledge with fun personality quizzes and trivia challenges. Which animal are you?

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For Educators

Free downloadable lesson plans, worksheets, and activities for teachers. Bring wildlife education to your classroom.

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Pet Care Guides

Everything you need to know about caring for dogs, cats, birds, fish, and exotic pets.

Explore Pets

We believe that if people know more about the world’s creatures they will better care for them. That’s why we add new animals for you to discover – each and every day! Learn about any animal using the search box below or subscribe to our YouTube Channel. Also, be sure to check out our improved Animal Quizzes — Test your knowledge!

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