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File:Abbott thayer countershading.jpg

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Description
English: A photograph of a model duck, with camoflage.
Date
Source Thayer G.H 1908 The concealing colouration of animals: new light on an old subject. Century Magazine. LXXVI, 249–261.
Author Abbot Thayer
Permission
(Reusing this file)		 The photographer died in 1921 and the copyright has therefore expired

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Public domain

The author died in 1921, so this work is in the public domain in its country of origin and other countries and areas where the copyright term is the author's life plus 100 years or fewer.

This work is in the public domain in the United States because it was published (or registered with the U.S. Copyright Office) before January 1, 1930.

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current20:36, 5 November 2012Thumbnail for version as of 20:36, 5 November 2012870 × 586 (281 KB)Episcophagus (talk | contribs){{Information |Description ={{en|1=A photograph of two model ducks, the right countershaded and camouflaged and the left just camouflaged.}} |Source =Thayer G.H 1908 The concealing colouration of animals: new light on an old subject. Century...

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