Behaviour
Do polar bears hibernate?
Most polar bears do not hibernate; they hunt seals all winter. Only pregnant females spend winter in a snow den,…
The field guide
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Speed
How fast can a coyote run?
A coyote can sprint at up to about 72 km/h (45 mph), says the US National Park Service. That beats…
Anatomy & appearance
How long is a blue whale’s tongue?
No one has published a reliable blue whale tongue length. Here's what scientists do know: the tongue turns inside out…
Size & weight
How big is a moose? Height, weight and antlers next to a human
Early morning in a northern marsh. Something dark lifts its head out of the water, and keeps lifting. By the…
Comparisons
How Big Is a Blue Whale? Length, Weight and Size Comparisons
The biggest blue whales reach about 33 m (108 ft) and 150 tonnes, and females are bigger than males. Sizes…
Records & rankings
Top 16 Fastest Animals in the World
Let’s talk about speed. Speed is very important for survival, sometimes in hunting down the prey and sometimes in defense.…
Diet & feeding
What Do Hamsters Eat – Hamsters Diet
Hamsters are one of the most popular rodent species to keep as pets as they require a low-maintenance diet. If…
Comparisons
Tiger vs lion: who would win?
Wild tigers and lions never meet, so nobody really knows who would win. On paper the tiger is heavier on…
Comparisons
Tiger vs grizzly bear: who would win?
Tigers and grizzly bears live on different continents, so nobody knows who would win. A big Amur tiger and a…
Strength & bite force
How strong is a tiger?
A tiger can kill and drag prey about five times its own weight, and its canine bite is modelled at…
Diet & feeding
What do possums eat?
Virginia opossums eat almost anything: insects, fruit, small animals, carrion and rubbish. Here is what's really in their diet, the…
Comparisons
How Big is a Great White Shark – Great White Shark Size Comparison
The great white shark is a species of large mackerel shark that is found in the coastal surface waters of…