Alligators can live up to 100 years.
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A 42-foot sperm whale has about 7 tons of oil in it.
209
The most expensive dog in the world is the Tibetan Mastiff; worth $1.5 million.
2
Shark corneas are used in eye transplants and shark bone marrow can be used to graft human bones.
132
Tigers can see 6 times better at night than humans.
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