Sifrhippus was a species of horse about the size of an average duck and roamed North America 56 million years ago.
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Sergeant Stubby was the only war dog to be promoted to sergeant through combat in WWI. He saved his regiment from surprise mustard gas attacks, found and comforted the wounded, and even once caught a German spy by the seat of his pants, holding him there until American Soldiers found him.
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An average cat has 1-8 kittens per litter and can have 2-3 litters per year. During her productive life, one female cat could have more than 100 kittens. A single pair of cats and their kittens can produce as many as 420,000 kittens in just 7 years.
10
A domestic cat can sprint at about 31 miles per hour.
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Mosquitoes prefer certain blood types, and people with the “O” blood type are more likely to get bitten.
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