TIL, That since domestication, dogs' eyes have changed. Dogs now have eye muscles that make them more expressive and infant-like. These same muscles are absent in wolves, their closest relative.
TIL, That since domestication, dogs' eyes have changed. Dogs now have eye muscles that make them more expressive and infant-like. These same muscles are absent in wolves, their closest relative. https://www.pnas.org/doi/10.1073/pnas.1820653116 visiblecustomer2021 February 22, 2023 at 12:28AM
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