Only 3% of bird species have penises.
0
It's possible to train your cat to use the toilet as a litter box and even flush afterwards.
109
There's a lizard known as the 'Jesus Lizard' that can run across water.
11
Cymothoa exigua is a type of parasite that enters through fish's gills, eats their tongue, and then replaces it.
6
Mosquitoes don't just bite you, they also pee on you.
11