Siberian Chiffchaffs 270209

This individual stuck out like a sore thumb amongst the green-and-yellow Chiffchaffs at the same spot. We did wonder if it was perhaps a little too cold-toned and a little too green on the wing coverts, flight feathers and tail but, well, what do we know. On the plus side it did show a strong, albeit quite brief, response to a recording of Siberian Chiffchaff song: it immediately flew into the nearest bush to the tape-player and proceeded to do a short, silent, wing-quivering twirl amongst the twigs (none of the other Chiffchaffs present seemed to show the slightest interest in the recording).

...and for the sake of completeness here's one of the 'ordinary' Chiffchaffs (same place, same light, same camera settings etc):