Mammals have gone back to the sea and become fully marine creatures like dolphins, but birds have only got as far as penguins so far Submitted by pufballcat t3_11chq9k on February 26, 2023 at 1:55 PM in Showerthoughts 6 comments 42
icelandichorsey t1_ja3bava wrote on February 26, 2023 at 3:14 PM There's also puffins who spend months in the open ocean and come back to the shore to mate and raise babies. Seems like a smart "best of both worlds" strategy Permalink 2
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