Hanne & Jens Eriksen / Subalpine warbler (Sylvia cantillans) male perched, Denmark, May
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Fabio Liverani / Field research scientist studying bird migration examines the feathers and wing structure of a ringed Subalpine warbler {Sylvia cantillans} Ventotene, Pontine Islands, Italy 2008
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Fabio Liverani / Subalpine warbler {Sylvia cantillans} on Fennel flowers, Ventotene island, Pontine Islands, Italy 2008
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Fabio Liverani / Field research scientist studying bird migration samples the pollen found on the beak of a Subalpine warbler {Sylvia cantillans} Ventotene, Pontine Islands, Italy 2008
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Fabio Liverani / Subalpine warbler {Sylvia cantillans on Fennel flowers, Ventotene island, Pontine Islands, Italy 2008
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Fabio Liverani / Field research scientist studying bird migration rings a Subalpine warbler {Sylvia cantillans} Ventotene, Pontine Islands, Italy 2008
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Fabio Liverani / Subalpine warbler {Sylvia cantillans} on Fennel flowers, Ventotene island, Pontine Islands, Italy 2008
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Fabio Liverani / Field research scientist studying bird migration rings a Subalpine warbler {Sylvia cantillans} Ventotene, Pontine Islands, Italy 2008
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Jose B. Ruiz / Subalpine warbler (Sylvia cantillans) perched in tree, Alicante, Spain
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David Kjaer / Subalpine Warbler (Sylvia cantillans) male, Lesbos, Greece
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David Kjaer / Subalpine warbler male {Sylvia cantillans} Lesbos Greece
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David Kjaer / Subalpine warbler male with prey {Sylvia cantillans} Lesbos, Greece
Jose Luis GOMEZ de FRANCISCO / Subalpine warbler (Sylvia cantillans) feeding on fruit of Terebinth tree (Pistacia terebinthus) during the autumn migration. Ciudad Real. Spain
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Jose Luis GOMEZ de FRANCISCO / Subalpine warbler (Sylvia cantillans) feeding on fruit of Terebinth tree (Pistacia terebinthus) during the autumn migration. Ciudad Real. Spain
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Jose Luis GOMEZ de FRANCISCO / Subalpine warbler (Sylvia cantillans) feeding on fruit of Terebinth tree (Pistacia terebinthus) during the autumn migration. Ciudad Real. Spain
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Jose Luis GOMEZ de FRANCISCO / Subalpine warbler (Sylvia cantillans) male on nest with chicks, Spain
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Jose Luis GOMEZ de FRANCISCO / Subalpine warbler male at nest with chicks {Sylvia cantillans} Spain
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Jose Luis Gomez de Francisco / Subalpine warbler female at nest with chicks, Spain {Sylvia cantillans}