Vampire bats adopt orphans, and are one of the few mammals known to risk their own lives to share food with less fortunate roost-mates.
402
The human brain is very soft, having a consistency similar to soft gelatin or firm tofu.
13
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.
11
A duck's quack doesn't echo, and no one knows why.
173
According to scientific studies, a rat's performance in a maze can be improved by playing music written by Mozart.
46
An adult giraffe's tongue is 17 inches long.
28
Dire wolves actually existed, living up to 10,000 years ago before going extinct.
10