Crocodile babies don't have sex chromosomes; the temperature at which the egg develops determines gender.
45
The 'vintage date' on a bottle of wine indicates the year the grapes were picked, not the year of bottling!
38
The lifespan of mammals is about 1 and a half billion heartbeats.
127
In Pakistan, goats are often sacrificed to improve the performance of the stock market.
-8
Over one million stray dogs live in the New York City metropolitan area.
-10
At one 'feeding', a mosquito can absorb one and a half times its own weight in blood.
-1
Minnows have teeth in their throat.
21
One million people each year are bitten by animals in the United States.
7