Cats are one of the only animals to domesticate themselves and approach humans on their own terms.
20
Dogs have been man's pet for over 14,000 years.
224
Shark corneas are used in eye transplants and shark bone marrow can be used to graft human bones.
132
Squirrels will sometimes adopt orphaned baby squirrels that they’re related to.
12
Cats sleep for 70% of their lives.
8
Nicole Kidman is scared of butterflies.
65
The sound of a tiger's roar can travel a distance of up to 2 miles (~3 km).
255
George was the world's largest dog who weighed 233 pounds, stood at 43 inches tall from paw to shoulder, and ate 180 pounds of food a month.
7