Contrary to popular belief, dogs do not only sweat by salivating. They also sweat through the poors on their feet.
30
Dolphins have names for one another.
18
Spiders have transparent blood.
56
An elephant trunk has no bone but 40,000 muscles.
24
According to scientific studies, a rat's performance in a maze can be improved by playing music written by Mozart.
46
Hummingbirds can't walk.
32