Black bears are not always black. They can be brown, cinnamon, yellow, and sometimes white.
32
The Chow and the Chinese Shar-Pei are the only dogs that have black tongues.
32
A full-grown bear can run as fast as a horse.
35
Bulls are colorblind, therefore will usually charge at a matador's waving cape no matter what color it is -- be it red or neon yellow!
45
A hippo sleeping underwater automatically rises to the surface every ~4 minutes and breathes without waking.
23
The faster a kangaroo hops, the less energy it burns!
58