File:PSM V84 D215 Flocking habit of migratory birds fig2.jpg

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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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  • C. C. Trowbridge: On the origin of the flocking habit of migratory birds
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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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Note: This tag should not be used for sound recordings.PD-1923Public domain in the United States//commons.wikimedia.org/wiki/File:PSM_V84_D215_Flocking_habit_of_migratory_birds_fig2.jpg

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current17:15, 14 January 2014Thumbnail for version as of 17:15, 14 January 20141,619 × 1,184 (134 KB)Ineuw (talk | contribs)Cleaned image & changed background to white
17:34, 14 March 2011Thumbnail for version as of 17:34, 14 March 20111,720 × 1,194 (159 KB)Martin H. (talk | contribs)

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