It would take about 1,200,000 mosquitoes to fully drain the average human body of blood.
217
Cows as they are today never existed in the wild and were domesticated from aurochs some 10,500 years ago.
6
Alligators can live up to 100 years.
337
There is a sea snail that wears a suit of iron plated armor. It is the only known animal to use iron sulphide as skeletal material.
9
A scorpion can hold its breath for up to 6 days.
19
Queen ants have one of the longest life-spans of any known insect - typically up to 30 years. Western harvester ant queens can live up to 40 years!
2
When Washoe, the first chimp to use sign language, was told that her caretaker's baby had died, she signed "CRY."
20