Bats sleep 18-20 hours per day.
5
Dogs sometimes fake being sick to get attention.
26
There are approximately three chickens for every human on Earth.
13
Only 3% of bird species have penises.
0
It would take about 1,200,000 mosquitoes to fully drain the average human body of blood.
217
There's a young hippo and a 130+ year old tortoise in a Kenyan wildlife preserve who are best friends and they even sleep and play together.
40
A newborn Chinese water deer is so small, it can (almost) be held in the palm of a hand.
13