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Hippopotamus.
The main threat that caused the disappearance of these animals was hunting. The number of hippos fell from 29,000 in 1970 to 1515 in 2003.
Man, Stop it! Animals That Halved in 40 Years
Dogs That are Very Offended
Dogs are very emotional animals, and can be offended (or pretend) on a level with a person. Just look at these offended dogs, what a range of emotions they can give out!
