When cats are happy, they may squeeze their eyes shut.
10
There's a lizard known as the 'Jesus Lizard' that can run across water.
11
A koi fish, named "Hanako", was owned by several individuals over many years and lived to be 226 years old, dying in 1977.
6
A dairy cow can produce more milk when listening to music.
446
The oldest known animal in the world was 'Ming' the 405 year old clam, discovered in 2007.
492
A domestic cat can sprint at about 31 miles per hour.
274
A 42-foot sperm whale has about 7 tons of oil in it.
209
Some lizards, in which the tail is a major storage organ for accumulating reserves, will return to a dropped tail after the threat has passed, and will eat it to recover part of the sacrificed supplies.
13