World War I carrier pigeons taking exercise, 23 September, 1916.

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Photo credit: © Science History Images / Alamy / Afripics
License: Licensed
Model Released: No

Keywords: 1916, allied, animal, army, bird, bw, carrier, communication, dutch, front, history, lines, man, military, person, photo, pigeon, pigeons, post, soldier, troop, war, wartime, working, world, wwi