Only 3% of bird species have penises.
0
The cat brain weighs about 30g.
167
The Basenji dog is the only dog that is not able to bark.
4
It's possible to train your cat to use the toilet as a litter box and even flush afterwards.
109
Squirrels will sometimes adopt orphaned baby squirrels that they’re related to.
12
Cats are one of the only animals to domesticate themselves and approach humans on their own terms.
20