A crocodile always grows new teeth to replace the old teeth!
15
Bluebirds cannot see the color blue.
40
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
Sharks, like other fish, have their reproductive organs in their chests.
248
The katydid bug hears through holes in its hind legs!
110
The smallest known dinosaur is Compsognathus.
113
Frogs cannot swallow without blinking.
41
Rats can't vomit, that's why rat poison works.
68