File:Abbott thayer countershading.jpg
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Summary
| 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 |
Licensing
|
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, 1929. |
| This file has been identified as being free of known restrictions under copyright law, including all related and neighboring rights. | |
File history
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| Date/Time | Thumbnail | Dimensions | User | Comment | |
|---|---|---|---|---|---|
| current | 20:36, 5 November 2012 | | 870 × 586 (281 KB) | Episcophagus | {{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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