There was a bear called Wojtek who was adopted by Polish soldiers during WW2. It carried ammunition, wrestled with soldiers, and drank beer.
40
The seahorse is the only fish to have a neck.
12
Worker bees must visit around 4,000 flowers in order to make one tablespoon of honey.
5
Rattlesnake mating sessions have been known to last more than 22 hours.
232
When a male gentoo penguin "falls in love" with a female penguin, he searches the entire beach to find the perfect pebble to present to her.
25
Two dogs were among the Titanic survivors.
262