Bats sleep 18-20 hours per day.
5
It would take about 1,200,000 mosquitoes to fully drain the average human body of blood.
217
When a drone bee mates with a queen, its ejaculation is so powerful that it can even be heard by the human ear.
5
A zoo in China gave a gay penguin couple the opportunity to raise a chick.
11
Parrotfish make themselves a kind of mucus 'sleeping bag' which masks their smell from predators and keeps parasites away.
4
Whales and dolphins can't taste anything other than salt.
11
Dolphins can rapidly heal from extreme injuries, such as shark bites, and regenerate their original body shape.
19