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Publié in Sauropod Vertebra Picture of the Week
Auteur Mike Taylor
Secretary bird: Matt pointed out to me something that in retrospect is obvious, though I’d never thought about it before: the eyelashes of birds are not homologous with ours, since mammals’ eyelashes are modified hairs and birds don’t have hair. Instead, their lashes are modified feathers. It would be interesting to see both kinds of eyelash under a microscope and compare.