Adaptations
Polar bear adaptations: how the body, gut and habits beat the Arctic cold
Two layers of fur, fat up to 10 cm thick, paws as big as dinner plates and a gut built…
The field guide
Author: Zooologist
Articles
Comparisons
How strong are orangutans?
An adult male orangutan weighs 77–100 kg and can hang and climb all day on arms longer than a person…
Strength & bite force
Cane Corso Bite Force: What Science Actually Shows
The short answer No scientist has published a measured bite force for the cane corso. The popular “700 psi” figure…
Speed
How Fast Can An Alligator Run – Alligator Speed
Alligators are one of the most impressive creatures in nature. These apex predators have been a part of the world’s…
Size & weight
Finger monkey full grown: how big is a pygmy marmoset?
An adult finger monkey, or pygmy marmoset, has a 12–16 cm body, a longer tail and weighs 85–140 g. Scientists…
Adaptations
Adaptations of an elephant: how the trunk, ears, feet and herd help it survive
Elephants survive with a trunk of about 150,000 muscle bundles, heat-shedding ears, cushioned tiptoe feet, six sets of molars and…
Adaptations
Adaptations of a Fennec Fox – Behavioral, Structural & Physiological
Fennec foxes are small desert-dwelling foxes native to the Sahara Desert in North Africa. They are adapted to living in…
Life cycle & reproduction
How long is an elephant pregnant for?
Elephants are pregnant for about 18 to 22 months, with a measured average of about 640 days. It is the…
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…
Records & rankings
How big is a Kodiak bear?
Male Kodiak bears weigh 272–635 kg (600–1,400 lb) and the biggest reach 680 kg (1,500 lb). A large male stands…
Conservation & population
Are Bengal tigers endangered?
Bengal tigers are Endangered (IUCN 2022), not critically endangered. India, Nepal and Bangladesh have all counted more tigers in their…
Comparisons
How strong are gorillas, and how do they compare with humans?
Gorillas are the heaviest apes and far stronger than people, but no scientist has measured a gorilla's lift, pull, punch…