The Glottis of a Rook

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“Glottis, or opening of trachea in the mouth; a, base of tongue; b, b, horns of hyoid bone; c, rima glottidis, cleft or chink of the glottis; d, a triangular vacuity; e, an elastic ligament; d, d and e represent an epiglottis; f, f, a papillose surface.” Elliot Coues, 1884

Keywords

birds, trachea, ornithology, rook, bird anatomy, glottis, North American birds, internal parts of birds, bird respiratory organs, bird vocal organs, Corvus frugilegus, Oscine Passerine birds, songs of birds

Galleries

Bird Anatomy

Source

Elliot Coues Key to North American Birds (Boston, MA: Estes and Lauriat, 1884)

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