Another mammal with unusual teeth is the Sea Otter. It’s not their size, though, that distinguishes a Sea Otter’s teeth but their color: purple.
The color, it seems, is derived from Purple Sea Urchins, a favorite Sea Otter food. Even before they can munch and crunch sea urchins for themselves, baby Sea Otters get purple-stained teeth, presumably from their mother’s milk. Of course, Sea Otters in areas that lack Purple Sea Urchins have white teeth.
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