Cows can sleep standing up, but they can only dream lying down.
745
Dolphins sometimes have fun by blowing bubbles and creating rings of air underwater, which they then swim through.
17
The cat brain weighs about 30g.
167
In the movie 'The Wizard Of Oz', Toto the dog's salary was $125 a week, while Judy Garland’s was $500 a week.
5
A scorpion can hold its breath for up to 6 days.
19
Two dogs were among the Titanic survivors.
262