The Tracheal Rings of a Bird
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“1, 2, left, two tracheal rings, separate. b; 1, 2, right hand, the same put together.” Elliot Coues, 1884
Keywords
birds, trachea, ornithology, bird anatomy, windpipe, North American birds, internal parts of birds, bird artery, tracheal rings, tracheal cartilageGalleries
Bird AnatomySource
Elliot Coues Key to North American Birds (Boston, MA: Estes and Lauriat, 1884)
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