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
Tokay gecko / Gekko gecko

Tokay Gecko

Gekko gecko
Red diamondback rattlesnake looking at you

Red Diamondback Rattlesnake

Crotalus ruber
A Male Brown-headed Cowbird enjoying a drink at a garden fountain in the hills of the driftless area of Wisconsin.

Brown Headed Cowbird

Molothrus ater
Giant Oarfish

Oarfish

Regalecidae
Elephant Nose Fish, gnathonemus petersii

Elephant Fish

Callorhinchus milii
Pacific Sleeper Shark

Pacific Sleeper Shark

Somniosus pacificus
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Mammals Birds Reptiles Fish Amphibians Insects

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
adult western rat snake in defensive posture

Western Rat Snake

Pantherophis obsoletus

The barn's best rodent patrol

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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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