Urechis unicinctus is a species of marine spoon worm that is widely referred to as the ‘penis fish’.
2
Some lizards, in which the tail is a major storage organ for accumulating reserves, will return to a dropped tail after the threat has passed, and will eat it to recover part of the sacrificed supplies.
13
It would take about 1,200,000 mosquitoes to fully drain the average human body of blood.
217
Only 3% of bird species have penises.
0
Whales and dolphins can't taste anything other than salt.
11
When Washoe, the first chimp to use sign language, was told that her caretaker's baby had died, she signed "CRY."
20