Only 3% of bird species have penises.
0
There's a lizard known as the 'Jesus Lizard' that can run across water.
11
When a male honey bee climaxes during sex, his testicles explode and then he dies.
27
Cows can sleep standing up, but they can only dream lying down.
745
On some poorly researched trivia lists it is stated as a fact that a pregnant goldfish is called a twit. This is not true as goldfish lay eggs.
71
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
Dolphins can rapidly heal from extreme injuries, such as shark bites, and regenerate their original body shape.
19
When you shave a guinea pig it looks like a little hippo.
19