It would take about 1,200,000 mosquitoes to fully drain the average human body of blood.
217
Parrotfish make themselves a kind of mucus 'sleeping bag' which masks their smell from predators and keeps parasites away.
4
Rattlesnake mating sessions have been known to last more than 22 hours.
232
Tigers can see 6 times better at night than humans.
305
Allegedly, Chrysippus, the Greek philosopher, died of laughter after getting his donkey drunk and watching it try to eat figs.
47
The reindeer is the only mammal that can see UV light.
17
A lion in the wild usually makes no more than twenty kills a year.
186