Comparisons
Polar bear vs grizzly bear size: which is bigger?
Polar bears are bigger than grizzlies on average: males weigh 350–590 kg against 180–270 kg. Only the biggest coastal Alaskan…
The field guide
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Anatomy & appearance
What Is An Okapi
The okapi was first discovered by Europeans in 1901 when British explorer Harry Johnston came across it during his expedition…
Adaptations
Adaptations of a giraffe: how the tallest animal makes its height work
A giraffe's key adaptations are its 1.8 m neck, a heart that pumps at nearly twice human blood pressure, a…
Adaptations
What are the adaptations of a tiger?
Stripes that look green to deer, night vision about six times better than ours, 10 cm claws and strong swimming:…
Conservation & population
Why Are Axolotls Endangered & Why Are Axolotls Important?
Axolotls are a species of aquatic salamander that is native to Lake Xochimilco and surrounding canals in central Mexico. It…
Diet & feeding
What do Siberian tigers eat?
Siberian (Amur) tigers live mainly on wild boar, red deer, roe deer and sika deer, making a kill about once…
Adaptations
What are the adaptations of a cheetah?
The 3 key adaptations of a cheetah, sorted into structural, behavioural and physiological, with a labelled diagram, myths, a quiz…
Senses
What Colors Can Deer See?
Deer see colors differently than we do, but they are able to see a wider range of colors. This is…
Conservation & population
Why are vaquitas endangered?
Vaquitas drown in gillnets, mostly illegal nets set for totoaba fish. The 2025 survey saw 7 to 10 of them,…
Conservation & population
Why is Leatherback Sea Turtle Endangered?
The leatherback sea turtle is the largest of all turtles and is one of the most endangered. They are found…
Records & rankings
What is the most Venomous Snake in World?
Venomous is a term used to describe an animal that has a poison or venom that it uses to kill…
Speed
How fast can an elephant run?
Elephants have been timed at up to about 25 km/h (15 mph). The popular 40 km/h figure for African elephants…