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.

From Aardvark to Zorse we are building the most comprehensive body of animal knowledge for you, for FREE. Click to discover a new animal today.

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

Apr 28, 2026 · As you explore this A–Z animal names list, you’ll notice how each species plays an important role in nature. Keep learning, stay curious, and you’ll soon recognize animals by their …

Jun 2, 2024 · Enjoy this 4k Scenic Wildlife film featuring over 130 animal species. From Desert Elephants in Namibia, to Bengal Tigers in India, there's so many incredible animals on our planet.

May 18, 2026 · 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).

May 26, 2023 · An animal is a complex, multicellular organism that belongs to the biological kingdom Animalia – the animal kingdom. Animals range from relatively simple organisms such as sponges …

Mar 7, 2026 · There is something amazing about being outside and seeing how many different animals, insects, birds, fish, and more are actually present in our world. The living wild species that exist …

This A-Z directory covers 630+ animal species found around the world — from household pets to the planet’s most dangerous predators. Each guide covers habitat, diet, behaviour, breeding patterns, …

Read the latest articles of animal at ScienceDirect.com, Elsevier’s leading platform of peer-reviewed scholarly literature