One reason that kittens sleep so much is because a growth hormone is released only during sleep.
212
In 2005, in Africa, it was reported that three lions rescued a 12-year-old girl from kidnappers and guarded her for half a day until help came.
46
A koi fish, named "Hanako", was owned by several individuals over many years and lived to be 226 years old, dying in 1977.
6
Shark corneas are used in eye transplants and shark bone marrow can be used to graft human bones.
132
The largest breed of rabbit is the Flemish Giant.
65
Cat families usually play best in even numbers. Cats and kittens should be acquired in pairs whenever possible!
156
A zoo in China gave a gay penguin couple the opportunity to raise a chick.
11
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