It would take about 1,200,000 mosquitoes to fully drain the average human body of blood.
217
A dairy cow can produce more milk when listening to music.
446
Crows living in some urban areas drop nuts into traffic to let the passing cars crush them, then they wait for the red lights to stop the traffic so they can grab and eat it.
17
In 1955, the citizens of São Paulo were so upset with their government that they elected a rhinoceros named Cacareco (meaning rubbish) to the city council in protest, with over 100,000 votes.
18
Early American humans hunted car-size armadillos and used their shells for houses.
12
Sharks, like other fish, have their reproductive organs in their chests.
248