Crows living in some urban areas drop nuts into traffic to let the passing cars crush them, then they wait for the red lights to stop the traffic so they can grab and eat it.
17
Mosquitoes don't just bite you, they also pee on you.
11
Christmas Island has bridges for crabs to stop them getting run over during the mass migration.
9
The reindeer is the only mammal that can see UV light.
17
In Australia, there are spiders big enough to eat snakes.
20
It's possible to train your cat to use the toilet as a litter box and even flush afterwards.
109
Alligators can live up to 100 years.
337