Dolphins can rapidly heal from extreme injuries, such as shark bites, and regenerate their original body shape.
19
Sheep, goats, octopuses, and toads have rectangular pupils.
7
Bats sleep 18-20 hours per day.
5
George was the world's largest dog who weighed 233 pounds, stood at 43 inches tall from paw to shoulder, and ate 180 pounds of food a month.
7
Alligators can live up to 100 years.
337
Unsinkable Sam (nickname of a German ship's cat) who served on 3 warships, one German, two British, all sank in action. The cat survived each sinking, floating away on wooden planks to rescue.
19
When Washoe, the first chimp to use sign language, was told that her caretaker's baby had died, she signed "CRY."
20