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[Sci-Am] To See Where a Whale Has Been, Look in Its Mouth - Scientific American - 2021-12-13
To See Where a Whale Has Been, Look in Its Mouth
The baleen that hangs from the jaws of some whale species contains clues about their migrations and diets
-- Read more on ScientificAmerican.com
https://www.scientificamerican.com/article/to-see-where-a-whale-has-been-look-in-its-mouth/