The most expensive dog in the world is the Tibetan Mastiff; worth $1.5 million.
2
Nervous dogs wag their tails to the left, and happy dogs to the right (from the dog’s point of view) – and fellow canines pick up on this lop-sided tail language.
10
Cats sleep for 70% of their lives.
8
Only 3% of bird species have penises.
0
Nicole Kidman is scared of butterflies.
65
An alligator can go through 2,000 to 3,000 teeth in a lifetime.
268
Cats are one of the only animals to domesticate themselves and approach humans on their own terms.
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