The Bill of a Purple Finch
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“Carpodacus. Purple Bullfinch. Bill smaller and less turgid than in Pinicol or Pyrrhula, more regularly conic and more acute; sides convex in all directions, but with distinct ridge prolonged in a point on forehead where not concealed by the antiae, its outline moderately curved; commissure decidedly angulated, about straight before and behind the bend; gonys quite straight. Nasal ruff little developed, barely cocealing the slight nasal fossae, thence falling over sides of bill, but discontinuous across culmen.” Elliot Coues, 1884
Keywords
birds, ornithology, bird anatomy, North American birds, bird bill, external parts of birds, Carpodacus, Purple BullfinchGalleries
Bird AnatomySource
Elliot Coues Key to North American Birds (Boston, MA: Estes and Lauriat, 1884)
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