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Showing posts with label
cross-bill deformity
.
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Showing posts with label
cross-bill deformity
.
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16 January 2011
Cross-bill Deformity in Birds Noted in 1879
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The cross-billed deformity in birds was recognized by two reports issued in 1879. Dr. T.M. Brewer noted the condition in a magpie, which wa...
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