The most expensive dog in the world is the Tibetan Mastiff; worth $1.5 million.
2
Using a remote-controlled camera, biologists caught dolphins getting high by sucking on puffer fish. They were even caught passing the puffer fish around.
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Travis was a chimpanzee who socialized with humans since birth. He could log onto a computer to look at pictures, watch TV using a remote control, brush his teeth, feed hay to his owner's horses, water plants, and learned the schedule of passing ice cream trucks.
11
Dolphins sometimes have fun by blowing bubbles and creating rings of air underwater, which they then swim through.
17
Pet dogs and elephants are the only animals that seem to instinctively understand human gesture.
14
An alligator can go through 2,000 to 3,000 teeth in a lifetime.
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The oldest known animal in the world was 'Ming' the 405 year old clam, discovered in 2007.
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