Today I learned, if sea otters eat a lot of sea urchins, their teeth and bones turn purple.Did you know that?
Do you know any other surprising Otter-Facts?
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>teethI guess sea urchins are purple so if they get eaten the otter's teeth go purple..>and bonesWhuuuuuh?!
So sea otters have purple skeletons?
>I guess sea urchins are purple so if they get eaten the otter's teeth go purple..That was my first guess, too. But their skull and teeth really turn purple. It´s called "echinochrome staining": https://dailyotter.org/posts/2024/4/29/lining-up-those-urchins-for-noms
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