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…
Order
Artiodactyla
Every animal we cover from Artiodactyla, and the articles about them.
15 animals22 articles9 sub-hubs inside
Articles
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,…
Size & weight
How much does a bison weigh? Bison size and weight
A low rumble crosses the valley floor. A herd of bison is on the move, and each animal in it…
Speed
How Fast can a Hippo Run – Hippo Speed
Hippos are often regarded as one of the most dangerous and unpredictable animals in Africa, yet it is also one…
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…
Conservation & population
How many giraffes are there in the world?
About 140,000 giraffes live wild in Africa, according to the Giraffe Conservation Foundation's 2025 count. The IUCN lists the giraffe…
Records & rankings
How tall is a giraffe? Height, length and weight
Adult male giraffes grow up to 5.5 m (18 ft) tall and females up to 4.3 m (14 ft). A…
Predators & threats
What eats polar bears? Predators of adults and cubs
Adult polar bears have almost no predators apart from people and other polar bears. Cubs are sometimes killed by adult…