One reason that kittens sleep so much is because a growth hormone is released only during sleep.
212
Christmas Island has bridges for crabs to stop them getting run over during the mass migration.
9
The elephant brain weighs about 6,000g.
274
The largest breed of rabbit is the Flemish Giant.
65
Allegedly, Chrysippus, the Greek philosopher, died of laughter after getting his donkey drunk and watching it try to eat figs.
47
Bats sleep 18-20 hours per day.
5
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
There are approximately three chickens for every human on Earth.
13