It would take about 1,200,000 mosquitoes to fully drain the average human body of blood.
217
The sound of a tiger's roar can travel a distance of up to 2 miles (~3 km).
255
It's possible to train your cat to use the toilet as a litter box and even flush afterwards.
109
Bats sleep 18-20 hours per day.
5
If a vampire bat goes 2 days without drinking blood, they can die. However, well fed female bats will puke up blood and share it with other bats that they like in exchange for grooming.
13