Cats and dogs can hear ultrasound.
350
Bats sleep 18-20 hours per day.
5
Cows as they are today never existed in the wild and were domesticated from aurochs some 10,500 years ago.
6
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
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
A tortoise named Adwaita lived to 255 years old. To put it into perspective, he was born before the United States of America existed and his death was announced on CNN (1750-2006).
12