When cats are happy, they may squeeze their eyes shut.
10
Dolphins can rapidly heal from extreme injuries, such as shark bites, and regenerate their original body shape.
19
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 oldest recorded elephant lived for 82 years.
213
Cats sleep for 70% of their lives.
8
It would take about 1,200,000 mosquitoes to fully drain the average human body of blood.
217
A group of kittens is called a "kindle".
10
When Koko, the gorilla famous for knowing sign language, was asked where gorillas go after death, she responded by signing “Comfortable hole, bye.”
23