Barn Swallow Bill
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Aerial (top) view of Barn Swallow’s bill“Hirundo horreorum. Barn Swallow. Bill of moderate size for this family, of the usual shape, with straight commissure; nostrils lateral overarched by a membranous scale.” Elliot Coues, 1884
Keywords
bird anatomy, bird beak, Barn Swallow, bird bill, Hirundo horreorum, bird nostrils, aerial view of bird billGalleries
Bird AnatomySource
Elliot Coues Key to North American Birds (Boston, MA: Estes and Lauriat, 1884)
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