Cats and dogs can hear ultrasound.
350
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
Sandy, an African Penguin, has been in 'love' with her keeper at the Nuremburg zoo since 1996.
34
The seahorse is the only fish to have a neck.
12
The difference between antlers and horns is that antlers are shed each year and are made of bone while horns are kept for life and are made of living tissue and bone with a sheath that is very similar to human finger nails.
10
There's a phone app called RoboRoach that allows you to remotely control a cockroach through a chip that you to manually implant into the unwitting critter.
10
The oldest recorded elephant lived for 82 years.
213