One reason that kittens sleep so much is because a growth hormone is released only during sleep.
212
The colossal squid has the largest eyes in the world.
4
Alligators can live up to 100 years.
337
There's a young hippo and a 130+ year old tortoise in a Kenyan wildlife preserve who are best friends and they even sleep and play together.
40
Cats sleep for 70% of their lives.
8
Tigers can see 6 times better at night than humans.
305
The most expensive dog in the world is the Tibetan Mastiff; worth $1.5 million.
2