Habitat & range
Where do polar bears live?
Polar bears live only in the Arctic, on sea ice across five countries. Canada has about 16,000 of them, Alaska…
The field guide
Habitat & range
Polar bears live only in the Arctic, on sea ice across five countries. Canada has about 16,000 of them, Alaska…
Lifespan
Wild polar bears live 15 to 18 years on average, and females often reach 20 to 25. The oldest known…
Diet & feeding
Polar bears live mainly on ringed and bearded seals, and often eat only the fatty blubber. Fish, birds, eggs and…
Adaptations
Two layers of fur, fat up to 10 cm thick, paws as big as dinner plates and a gut built…
Comparisons
An adult male orangutan weighs 77–100 kg and can hang and climb all day on arms longer than a person…
Strength & bite force
The short answer No scientist has published a measured bite force for the cane corso. The popular “700 psi” figure…
Speed
Alligators are one of the most impressive creatures in nature. These apex predators have been a part of the world’s…
Size & weight
An adult finger monkey, or pygmy marmoset, has a 12–16 cm body, a longer tail and weighs 85–140 g. Scientists…
Adaptations
Elephants survive with a trunk of about 150,000 muscle bundles, heat-shedding ears, cushioned tiptoe feet, six sets of molars and…
Adaptations
The 3 key adaptations of a fennec fox, sorted into structural, behavioural and physiological, with a labelled diagram, myths, a…
Life cycle & reproduction
Elephants are pregnant for about 18 to 22 months, with a measured average of about 640 days. It is the…
Conservation & population
Poaching is the main reason Siberian (Amur) tigers are endangered, followed by a shortage of prey, roads and disease. About…