Animal body lengths range from 8.5 μm (0.00033 in) to 33.6 m (110 ft). They have complex ecologies and interactions with each other and their environments, forming intricate food webs.

Dec 9, 2025 · animal, (kingdom Animalia), any of a group of multicellular eukaryotic organisms (i.e., as distinct from bacteria, their deoxyribonucleic acid, or DNA, is contained in a membrane-bound nucleus).

The world’s largest & most trusted collection of animal facts, pictures and more! Discover more than 1,000 new animals today!

Copyright © 1996-2015 National Geographic Society Copyright © 2015-2026 National Geographic Partners, LLC. All rights reserved

Each of our animal facts pages covers a range of topics about that animal, including their diet, habitat, breeding patterns, their physical characteristics, unique personality traits and behaviors and much …

Welcome to Animalia, an online animal encyclopedia where you can learn about all your favourite animals, and even some you may have never heard of.

Explore the exciting animal kingdom to know about different species of mammals, insects, amphibians and reptiles. Resource includes a great selection of pictures, facts, news, general information and …

Dec 31, 2024 · Explore the animal kingdom with detailed scientific guides, species characteristics, behaviors, habitats, and interactive resources for comprehensive learning and discovery

Animal, beast, brute refer to sentient creatures as distinct from minerals and plants; figuratively, they usually connote qualities and characteristics below the human level.

Mar 24, 2025 · Below you’ll discover the complete list of animal names our researchers have written about so far. With thousands more domesticated and wild animal lists planned, our goal is to become …