Sheep, goats, octopuses, and toads have rectangular pupils.
7
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
When cats are happy, they may squeeze their eyes shut.
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
One reason that kittens sleep so much is because a growth hormone is released only during sleep.
212
The most expensive dog in the world is the Tibetan Mastiff; worth $1.5 million.
2
There is a sea snail that wears a suit of iron plated armor. It is the only known animal to use iron sulphide as skeletal material.
9