It would take about 1,200,000 mosquitoes to fully drain the average human body of blood.
217
Condoms were originally made of animal intestines or linen.
347
Christmas Island has bridges for crabs to stop them getting run over during the mass migration.
9
A dog's naked behind leaves absolutely no bacteria when pressed against carpet.
250
Parrot parents "name" their children with a signature call.
112
Travis was a chimpanzee who socialized with humans since birth. He could log onto a computer to look at pictures, watch TV using a remote control, brush his teeth, feed hay to his owner's horses, water plants, and learned the schedule of passing ice cream trucks.
11