Which mammals have no teeth?
- Life Science, Science Fun Facts
- September 21, 2012
There are many dogs that are very good swimmers, but one of the best is the giant Newfoundland dog. Newfoundland dogs can weigh up to 150 pounds, and are so big, black, and shaggy that people used to think they were descended from bears! But that’s not the most amazing thing about these dogs. They’re
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