The Trachea of a Rook

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“Bifurcation of trachea, and bronchi, viewed from below; a, pessulus, the bolt-bar, or “bone of divarication"; b, b, next succeeding tracheal half-rings.Elliot Coues, 1884

Keywords

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

Galleries

Bird Anatomy

Source

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

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