The most expensive cow in the world was sold in 2009 for $1.2 million.
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Cats and dogs can hear ultrasound.
350
The world’s largest frog, the Goliath frog, can grow over 13 inches in length and can jump up to 10 feet in a single bound.
8
Alligators can live up to 100 years.
337
When Washoe, the first chimp to use sign language, was told that her caretaker's baby had died, she signed "CRY."
20
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
Unsinkable Sam (nickname of a German ship's cat) who served on 3 warships, one German, two British, all sank in action. The cat survived each sinking, floating away on wooden planks to rescue.
19
A cat rubs against people not only to be affectionate but also to mark out its territory with scent glands around its face. The tail area and paws also carry the cat's scent.
293