Bird Trachea
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“a, an inch of trachea, contracted to the utmost, the rings looking like alternating half-rings; b, the same, stretched to two inches, the rings evidently complete, with intervening membrane.” Elliot Coues, 1884
Keywords
birds, ornithology, bird anatomy, North American birds, internal parts of birds, bird trachea, asper-artery, bird windpipe, bird airwayGalleries
Bird AnatomySource
Elliot Coues Key to North American Birds (Boston, MA: Estes and Lauriat, 1884)
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