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Month: May 2017

Identification of an Eastern Bonelli’s Warbler in France

Identification of an Eastern Bonelli’s Warbler in France

I couldn’t dream of a better opportunity to write about sonogram analysis !   Last Sunday, we spotted a “weird” Bonelli’s warbler as we were birding together in Vic-la-Gardiole (34, France). Actually, the only real “weird” thing about this bird was that it was alone in the middle of the beach, and that it was quite late for Bonelli’s migration on the coast. It looked dull, but we would probably have written it down as Western with no regret if it was in…

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Willow warblers: song-switchers and mixed singers

Willow warblers: song-switchers and mixed singers

One of the first things that a birder in Europe learns when getting to grips with the seperation of Willow Warbler (Phylloscopus trochilus) and Common Chiffchaff (Phylloscopus collybita) in the field is the fact that both species have very distinct songs from each other, enabling easy identification. The song of the Willow Warbler is a musical descending series of notes, whereas that of Common Chiffchaff is an almost stuttering series that is responsible for the species’ onomatopoeic common name in several…

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