It has been scientifically proven that stroking a cat can lower one's blood pressure!
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The most expensive dog in the world is the Tibetan Mastiff; worth $1.5 million.
2
Sergeant Stubby was the only war dog to be promoted to sergeant through combat in WWI. He saved his regiment from surprise mustard gas attacks, found and comforted the wounded, and even once caught a German spy by the seat of his pants, holding him there until American Soldiers found him.
16
Leonardo Da Vinci loved animals so much that he used to buy caged animals at the market just to set them free.
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