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The nighthawk is fit for catching insects on the wing by their very wide mouth, the gape extended far along each cheek, (Colton, 1903).
Keywordsbirds, Aves, bird, goatsuckers, Caprimulgiformes
Buel P. Colton, Zoology: Descriptive and Practical (Boston:D.C. Heath & Co., 1903) 238
1658×2400, 3.8 MiB
707×1024, 211.0 KiB
442×640, 90.8 KiB
221×320, 26.7 KiB