Conservation & population
Why are Siberian tigers endangered?
Poaching is the main reason Siberian (Amur) tigers are endangered, followed by a shortage of prey, roads and disease. About…
Animal group
Mammalia
Mammals are a diverse group of warm-blooded animals known for their unique characteristics, such as having hair or fur on their bodies and producing milk to feed their young. They range from tiny creatures like mice and bats to some of the largest animals on Earth, like elephants and whales. Mammals live in various habitats, from dense forests and vast oceans to arid deserts and snowy mountain peaks. Whether it’s the playful dolphins in the sea, the majestic lions in the savannah, or the curious monkeys in the jungle, mammals play a vital role in the balance of nature. They are fascinating creatures, each with its own set of behaviors, diets, and adaptations that help them thrive in their environments.
57 animals117 articles
Conservation & population
Poaching is the main reason Siberian (Amur) tigers are endangered, followed by a shortage of prey, roads and disease. About…
Records & rankings
Male Kodiak bears weigh 272–635 kg (600–1,400 lb) and the biggest reach 680 kg (1,500 lb). Females weigh 136–318 kg.…
Conservation & population
Bengal tigers are Endangered (IUCN 2022), not critically endangered. India, Nepal and Bangladesh have all counted more tigers in their…
Comparisons
Gorillas are the heaviest apes and far stronger than people, but no scientist has measured a gorilla's lift, pull, punch…
Size & weight
Male grizzlies in the lower 48 US states usually weigh 180–270 kg (400–600 lb) and females 110–160 kg (250–350 lb).…
Comparisons
A dog grips a rope toy and leans back, growling happily. Its owner pulls, and the dog pulls harder. It…
Diet & feeding
Grizzly bears are omnivores that eat plants, pine nuts, moths, fish and meat. Their menu changes with the seasons, from…
Anatomy & appearance
Every bear species has a tail, usually 3 to 20 cm long and hidden in fur. The giant panda even…
Adaptations
The 3 key adaptations of an arctic fox, sorted into structural, behavioural and physiological, with a labelled diagram, myths, a…
Conservation & population
Polar bears are not endangered: they are Vulnerable on the IUCN Red List and Threatened in the US. About 26,000…
Diet & feeding
Snow leopards live mainly on wild sheep and goats such as blue sheep and ibex, plus marmots. They kill a…
Speed
Nobody has measured a wild jaguar at full speed. The popular 80 km/h figure is unproven. Jaguars are ambush hunters…