Grizzly bear
Ursus arctos horribilis The animal kingdom, organised
Every animal, properly introduced.
101 animals and 178 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 & coasts31
- 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
Mammals
Spider monkey adaptations and facts
A tail with a fingerprint, hands with almost no thumb, and a diet that plants forests: how spider monkeys are…
Reptiles
Green sea turtle: adaptations, size, diet and life cycle
Serrated jaws for grazing seagrass, salt-shedding tears and journeys of thousands of kilometres: the green sea turtle explained, including its…
Mammals
Beaver adaptations: how an ecosystem engineer reshapes rivers
Orange iron-rich teeth, a paddle tail, lips that seal behind the teeth and 15-minute dives: how the North American beaver…
Adaptations
Sloth adaptations: why being slow is a survival strategy
Sloths are slow on purpose. Their low-energy bodies, hooked claws and algae-green fur let them live on a diet of…
Anatomy & appearance
African vs Asian elephant: how to tell them apart
Big ears or small? Two trunk fingers or one? A side-by-side guide to telling African savanna, African forest and Asian…
Comparisons
How big is a lion? Size and weight compared with a tiger and a human
A male lion weighs 150 to 260 kg and stands about 1.2 m at the shoulder. See how lions measure…
Record breakers
The questions everyone asks
How fast?
- 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?
- How Fast Can An Alligator Run – Alligator Speed
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?