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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Tigers can see 6 times better at night than humans.
305
It would take about 1,200,000 mosquitoes to fully drain the average human body of blood.
217
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.
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