A koi fish, named "Hanako", was owned by several individuals over many years and lived to be 226 years old, dying in 1977.
6
The most expensive dog in the world is the Tibetan Mastiff; worth $1.5 million.
2
A puppy is born blind, deaf, and toothless.
16
A hippo sleeping underwater automatically rises to the surface every ~4 minutes and breathes without waking.
23
Female kangaroos have three vaginas.
2
A tortoise named Adwaita lived to 255 years old. To put it into perspective, he was born before the United States of America existed and his death was announced on CNN (1750-2006).
12
A dork is a whale's penis.
327
The difference between antlers and horns is that antlers are shed each year and are made of bone while horns are kept for life and are made of living tissue and bone with a sheath that is very similar to human finger nails.
10