It is physically impossible for pigs to look up into the sky.
Cats and dogs can hear ultrasound.
Alligators can live up to 100 years.
A dork is a whale's penis.
A group of unicorns is called a blessing.
Tigers can see 6 times better at night than humans.
A pig's orgasm lasts for 30 minutes.
A cat rubs against people not only to be affectionate but also to mark out its territory with scent glands around its face. The tail area and paws also carry the cat's scent.
When it comes time to give birth, the female shark loses her appetite so she won't be tempted to eat her own pups.
Honeybees never sleep.
A domestic cat can sprint at about 31 miles per hour.
The elephant brain weighs about 6,000g.
The octopus does not have a blind spot.
Alligator snapping turtles can live for over 150 years. Scientists know this because some of the turtles had musket balls in their stomachs.
An alligator can go through 2,000 to 3,000 teeth in a lifetime.