Whales and dolphins can't taste anything other than salt.
11
Chained dogs are 3 times more likely to bite than unchained dogs.
34
Bats always turn left when exiting a cave.
40
Shark corneas are used in eye transplants and shark bone marrow can be used to graft human bones.
132
A duck's quack doesn't echo, and no one knows why.
173
Mosquitoes prefer children to adults, blondes to brunettes.
52
The world's smartest pig, owned by a mathematics teacher in Madison, WI, memorized the multiplication tables up to 12.
264