Dolphins sometimes have fun by blowing bubbles and creating rings of air underwater, which they then swim through.
17
The Basenji dog is the only dog that is not able to bark.
4
Condoms were originally made of animal intestines or linen.
347
The cat brain weighs about 30g.
167
Jaguars frequently get high by eating hallucinogenic roots, which also increases their senses for hunting.
6