The reindeer is the only mammal that can see UV light.
17
Only 3% of bird species have penises.
0
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
The seahorse is the only fish to have a neck.
12
Cats and dogs can hear ultrasound.
350
Sandy, an African Penguin, has been in 'love' with her keeper at the Nuremburg zoo since 1996.
34
The Pistol Shrimp can snap its claws together to create a sound of 218 decibels, louder than as supersonic jet at full speed. It only lasts for 1 millisecond. The snapping action also creates a bubble that is greater than 5000 Kelvin, close to the surface temperature of the sun.
21