Marine Mammal Commissionさんのイラストまとめ
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An independent, science-based agency of the US Government, created under the MMPA, that works to conserve and protect marine mammals.
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#FossilFriday: Paleontologists discovered 3 extinct #walrus species in Orange County, CA, one of which has “semi-tusks”. This contributes to our understanding of #walrus tusk evolution.
Photo credit: (Biewer et al., 2020)
https://t.co/ieWnSDm6p7
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