Only 3% of bird species have penises.
0
Cows can sleep standing up, but they can only dream lying down.
745
It's possible to train your cat to use the toilet as a litter box and even flush afterwards.
109
The cat brain weighs about 30g.
167
In 2011, a male tiger in India adopted a litter of orphaned cubs, taking on the role of ‘mother’. Wildlife officials say such behavior had never been observed before.
9
Allegedly, Chrysippus, the Greek philosopher, died of laughter after getting his donkey drunk and watching it try to eat figs.
47