If a vampire bat goes 2 days without drinking blood, they can die. However, well fed female bats will puke up blood and share it with other bats that they like in exchange for grooming.
13
The cat brain weighs about 30g.
167
Domestic pigs average a top speed of about 11 miles per hour.
182
Tigers can see 6 times better at night than humans.
305
Cats and dogs can hear ultrasound.
350
Worker bees must visit around 4,000 flowers in order to make one tablespoon of honey.
5
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
The octopus does not have a blind spot.
273