File:PSM V84 D215 Flocking habit of migratory birds fig2.jpg
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Summary
| Description | Fig. 2. The curved lines on the left-hand diagram represent the paths which the birds would follow due to unequal unbalanced wing power, if each was alone. In the right-hand diagram, B, the arrows represent the birds flying together and the direction is the mean of all deviations and represts the flight direction towards D as corrected by mutual reactions. | |||
| Date | ||||
| Source | C. C. Trowbridge: On the origin of the flocking habit of migratory birds. The Popular science monthly, Volume 84, p211. New York, Popular Science Pub. Co., March 1914. Online: archive.org. | |||
| Author | C. C. Trowbridge | |||
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Licensing
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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.
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| Date/Time | Thumbnail | Dimensions | User | Comment | |
|---|---|---|---|---|---|
| current | 17:15, 14 January 2014 | | 1,619 × 1,184 (134 KB) | Ineuw | Cleaned image & changed background to white |
| 17:34, 14 March 2011 |  | 1,720 × 1,194 (159 KB) | Martin H. |
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