thalassarche: Secretarybird (Sagittarius serpentarius) - photo by tubasa-wings Birds’ eyelashes are modified feathers, not hairs, but they serve the same purpose they do in mammals: to help keep dust and debris out of the eyes. Most birds have at

thalassarche: Secretarybird (Sagittarius serpentarius) - photo by tubasa-wings Birds’ eyelashes are modified feathers, not hairs, but they serve the same purpose they do in mammals: to help keep dust and debris out of the eyes. Most birds have at

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