Sifrhippus was a species of horse about the size of an average duck and roamed North America 56 million years ago.
2
Urechis unicinctus is a species of marine spoon worm that is widely referred to as the ‘penis fish’.
2
Dolphins can rapidly heal from extreme injuries, such as shark bites, and regenerate their original body shape.
19
When cats are happy, they may squeeze their eyes shut.
10
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
There was a bear called Wojtek who was adopted by Polish soldiers during WW2. It carried ammunition, wrestled with soldiers, and drank beer.
40