Worker bees must visit around 4,000 flowers in order to make one tablespoon of honey.
5
Pet dogs and elephants are the only animals that seem to instinctively understand human gesture.
14
In 1918, a homing pigeon saved over 190 American soldiers by delivering a message to nearby support despite having been shot through the breast, blinded in one eye, covered in blood, and with a leg hanging on by just a tendon.
22
Condoms were originally made of animal intestines or linen.
347
Only 3% of bird species have penises.
0
Shark corneas are used in eye transplants and shark bone marrow can be used to graft human bones.
132