Bats sleep 18-20 hours per day.
5
Parrot parents "name" their children with a signature call.
112
It would take about 1,200,000 mosquitoes to fully drain the average human body of blood.
217
There was a bear called Wojtek who was adopted by Polish soldiers during WW2. It carried ammunition, wrestled with soldiers, and drank beer.
40
A hippo sleeping underwater automatically rises to the surface every ~4 minutes and breathes without waking.
23
Squirrels forget where they hide about half of their nuts.
698
There are approximately three chickens for every human on Earth.
13