Dolphins can rapidly heal from extreme injuries, such as shark bites, and regenerate their original body shape.
19
Female kangaroos have three vaginas.
2
When cats are happy, they may squeeze their eyes shut.
10
Domestic pigs average a top speed of about 11 miles per hour.
182
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
Alligators can live up to 100 years.
337
When Washoe, the first chimp to use sign language, was told that her caretaker's baby had died, she signed "CRY."
20