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
The octopus does not have a blind spot.
273
Drivers kill more deer than hunters do.
660
A scorpion can hold its breath for up to 6 days.
19
Female kangaroos have three vaginas.
2
Cats are one of the only animals to domesticate themselves and approach humans on their own terms.
20