Image: Philomachus pugnax naumann
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Description: Ruff displaying its plummage
Title: Philomachus pugnax naumann
Credit: Hennicke, Carl (1902) "Table 22" in Naturgeschichte der Vögel Mitteleuropas, Volume 8, Germany: F.E. Köhler Retrieved on 17 April 2009.
Author: Johann Friedrich Naumann (1780–1857)
Usage Terms: Public domain
License: Public domain
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