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Acrocephalus arundinaceus (the largest bird on the left), Acrocephalus schoenobaenus (up; originally described as Calamodus schoenobaenus), Acrocephalus paludicola (on the right; originally described as Calamodus aquaticus)
Source: http://www.biologie.uni-hamburg.de/b-online/birds/2181_31.htm
aus: NAUMANN, NATURGESCHICHTE DER VÖGEL MITTELEUROPAS: Band II, Tafel 2 - Gera, 1897 digitale Bearbeitung : Peter v. Sengbusch - b-online@botanik.uni-hamburg.de
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This image comes from the book Naumann, Naturgeschichte der Vögel Mitteleuropas (Natural history of the birds of central Europe) of 1905. The copyrights for that book have expired and this image is in the public domain. See here |
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