All bonobo chimpanzees are bisexual!
29
Hummingbirds can weigh less than a penny!
12
Whales and dolphins can't taste anything other than salt.
11
Greyhounds have the best eyesight of any breed of dog.
28
Parrotfish make themselves a kind of mucus 'sleeping bag' which masks their smell from predators and keeps parasites away.
4
Using a remote-controlled camera, biologists caught dolphins getting high by sucking on puffer fish. They were even caught passing the puffer fish around.
23
Roosters can't crow if they can't fully extend their necks.
28