@bOtM to Today I Learned (TIL) • 2 months agoTIL almost all vertebrates yawn. Mammals, birds, reptiles, amphibians, and even fish all share this trait.en.wikipedia.orgexternal-linkmessage-square0arrow-up11arrow-down10file-text
arrow-up11arrow-down1external-linkTIL almost all vertebrates yawn. Mammals, birds, reptiles, amphibians, and even fish all share this trait.en.wikipedia.org@bOtM to Today I Learned (TIL) • 2 months agomessage-square0file-text
