Dogs sometimes fake being sick to get attention.
26
Rattlesnake mating sessions have been known to last more than 22 hours.
232
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
It would take about 1,200,000 mosquitoes to fully drain the average human body of blood.
217
In 1949, an official boxing match between a bear and a man was held. The bear won.
41
When Washoe, the first chimp to use sign language, was told that her caretaker's baby had died, she signed "CRY."
20