It would take about 1,200,000 mosquitoes to fully drain the average human body of blood.
217
Tigers can see 6 times better at night than humans.
305
The cat brain weighs about 30g.
167
A group of unicorns is called a blessing.
304
Alligators can live up to 100 years.
337
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