Service dogs are trained to know when they are on duty. When their harness is on, they know they are at work. When you take it off they instantly become playful and energetic.
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Dolphins can rapidly heal from extreme injuries, such as shark bites, and regenerate their original body shape.
19
Jumping fleas can accelerate 50 times faster than the space shuttle.
218
Male monkeys lose the hair on their heads in the same way men do.
41
A dork is a whale's penis.
327
The reindeer is the only mammal that can see UV light.
17
Tigers, leopards, and jaguars love "Calvin Klein's Obsession for Men". The scent is used to attract animals to cameras in the wilderness, and was even a turn on for one pair of Jaguars who were subject to it.
17