The male seahorse carries babies and 'gives birth' to them instead of the female.
7
There is a tiger named Kenny who is the only known tiger to have downs syndrome.
10
The drummer for the rock group Def Leppard only has one arm.
156
Redheads require up to 20% more anesthesia to be knocked out.
112
The Basenji dog is the only dog that is not able to bark.
4
Only 12,000 years ago there was a species closely related to modern humans called Homo floresiensis that had been living on an Indonesian Island. They used fire and rather advanced tools, yet were only about 3 feet tall and weighed around 25kg.
15
False teeth are often minutely radioactive.
214