The Respiratory and Vocal Organs of a Rook
“Resipratory and vocal organs of the Rook, Corvus frugilegusm an Oscine Passerine bird; 1 a, tongue; b, basi-branchial, commonly called uro-hyal; c, c, horns of hyoid bone; d, d, genio-hyoid muscles; e, e, stylo-hyoid muscles; f, f, cleido-hyoid muscles; g, h, i, aesophagus; j, proventriculus; or secretory stomach; k, gizzard, or gigerium, the muscular stomach; l, m, n, n, intestine, duodenum to rectum; o, p, trachea, or windpipe; q, inferior larynx, or syrinx; r, r, right and left bronchus; ss, ss, contractor muscles or trachea; t, t, lungs with u, u, apertures communicating with thoracic air-cells; v, v, v, three pairs of muscular slips answering to a rudimentary diaphragm; 1, 2, 3, 4, 5, 6, 7, as many ribs. Elliot Coues, 1884
Keywords
birds, ornithology, rook, bird anatomy, North American birds, internal parts of birds, bird respiratory organs, bird vocal organs, Corvus frugilegus, Oscine Passerine birds, songs of birdsGalleries
Bird AnatomySource
Elliot Coues Key to North American Birds (Boston, MA: Estes and Lauriat, 1884)
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