The Database of Number Correlations 
Numbers Related to Animals
Dogs have 4 Blood Types.Cats have 11 Blood Types.
Pigs have 16 Blood Types.
Horses have 34 Blood Types.
There are 43 species of birds in Antarctica.
The average gestation period of a dog is 61 days.
The gestation period of a wolf is 64 days.
The gestation period of a lion is 108 days.
The gestation period of a domestic pig is 114 days.
The gestation period of a goat is 151 days.
The gestation period of an African elephant is 640 days.
The gestation period of an Asian elephant is 645 days.
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The Database of Number Correlations
