Cows can sleep standing up, but they can only dream lying down.
745
Jellyfish as a species are actually older than dinosaurs and sharks.
383
Cats and dogs can hear ultrasound.
350
The octopus does not have a blind spot.
273
A dairy cow can produce more milk when listening to music.
446
The oldest creature ever found was Ming the clam at an admirable 507 years old.
16
Cats sleep for 70% of their lives.
8
Sandy, an African Penguin, has been in 'love' with her keeper at the Nuremburg zoo since 1996.
34