Grizzly bear
Ursus arctos horribilis The animal kingdom, organised
Every animal, properly introduced.
101 animals and 192 articles, organised by family, habitat, diet and conservation status.
Popular hubs:Polar bearGrizzly bearTigerLion
Deep dives
The biggest animal hubs
Grizzly bear
Ursus arctos horribilis 
Tiger
Panthera tigris 
Lion
Panthera leo 
Asian elephant
Elephas maximus 
Elephants
Big cats
Komodo dragon
Varanus komodoensis 
Bengal tiger
Panthera tigris tigris Browse the living world
Explore by habitat, diet, region and status
Where animals live
Habitats & biomes
- Boreal forest & taiga23
- Deserts & drylands11
- Farms, towns & homes29
- Grasslands & savannas69
- Mountains16
- Oceans & coasts33
- Polar regions & tundra62
Where in the world
Regions
- Asia58
- North America42
- Africa41
- The Arctic28
- Central & South America25
- Worldwide (domestic)23
- Oceans worldwide18
IUCN Red List
Conservation
- Least Concern39
- Near Threatened7
- Vulnerable43
- Endangered30
- Critically Endangered6
- Extinct1
- Data Deficient1
Fresh from the field guide
Latest articles
Comparisons
Animal speeds that were never measured: the truth behind famous top-speed claims
Most famous animal top speeds came from car speedometers or guesses. We traced the claims for big cats, cheetahs, elephants,…
Adaptations
How do crabs grow? Moulting, shells and breathing explained
A crab's shell cannot stretch, so to grow it must climb out of it. Here is how moulting works, step…
Mammals
Antelope adaptations: speed, horns and staying alert
"Antelope" covers a huge range of hoofed animals, from a 3 kg royal antelope to a 295 kg gnu. How…
Birds
Hawks vs eagles vs falcons: how to tell them apart
Size, wing shape, beak and hunting style: a side-by-side guide to telling hawks, eagles and falcons apart, and why falcons…
Birds
How do owls fly silently?
Big, light wings, a comb of serrations on the leading edge, soft fringes on the trailing edge and a velvety…
Mammals
Opossum adaptations: what “playing dead” really is
Playing dead is an involuntary reflex, not an act. How Virginia opossums survive with 50 teeth, a grasping tail, a…
Record breakers
The questions everyone asks
How fast?
- Animal speeds that were never measured: the truth behind famous top-speed claims
- How fast can a cheetah run?
- Peregrine Falcon Speed: How Fast Can Peregrine Falcons Dive?
- How Fast Is A Komodo Dragon? Can You Outrun a Komodo Dragon?
IUCN Red List
Animals at risk
Polar bear
Ursus maritimus
Tiger
Panthera tigris
Lion
Panthera leo
Asian elephant
Elephas maximus
Bengal tiger
Panthera tigris tigris
Komodo dragon
Varanus komodoensis 
Giraffe
Giraffa camelopardalis 
Siberian tiger
Panthera tigris altaica Know what you’re looking for?