*Sharks have been on the earth a little over 350 million years *
* Manatees can hear very well despite the absence of external ear lobes. *
* Manatees do not have eyelashes. *
* Dogs can very easily regurgitate. In fact, after eating wolves can travel significant distances back to their dens and regurgitate the food at will to feed their pups! *
* There is a poisonous bird from New Guinea called the Pitohui? The Pitohui contains a toxic alkaloid similar to that of the poison arrow frog on its feathers and skin. It is the only example known of a poisonous bird. *
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