Humans and dolphins are the only species that have sex for pleasure.
61
Bats always turn left when exiting a cave.
40
Tigers have striped skin, not just striped fur!
78
According to scientific studies, a rat's performance in a maze can be improved by playing music written by Mozart.
46
The male platypus has poisonous spurs on its legs.
58
Most of a hog's sweat glands are in its snout.
11
Alligators can live up to 100 years.
337
All clams start out as males; some decide to become females at some point in their lives.
50