Image: Abbott thayer countershading
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Description: A photograph of two model ducks, the right countershaded and camouflaged and the left just camouflaged.
Title: Abbott thayer countershading
Credit: Thayer G.H 1908 The concealing colouration of animals: new light on an old subject. Century Magazine. LXXVI, 249–261.
Author: Abbot Thayer
Permission: The photographer died in 1921 and the copyright has therefore expired
Usage Terms: Public domain
License: Public domain
Attribution Required?: No
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