TIL the closest whale relative that is not a marine mammal is the hippopotamus after the species diverged 54 million years ago. en.wikipedia.org Submitted by SuperMcG t3_110laer on February 12, 2023 at 5:35 PM in todayilearned 39 comments 374
oceanduciel t1_j8ejrv7 wrote on February 13, 2023 at 6:58 PM Suddenly orca and hippos have a lot more in common. Permalink 1
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