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Another two from last Summer - both with darker mantle than nearby argenteus, both with yellow(ish) legs, both with broken band on P5 on one wing only, but on opposite wings. My question is, does this P5 pattern rule out michahellis or not? Thanks.

Hi Mars Thanks, actually if it's ok as michahellis that's good news - maybe need to be less strict. Interestingly, the funny grey stripe on the left wing matches exactly this bird from last Summer, presumably the same though since moulted - and actually I think it's the outer web of P9 rather than i...

Not entirely convincing as michahellis, I think; legs dull yellow and black band on P5 thin or maybe I'm being too suspicious? Either way it seems to be paired with a female argenteus. Opinions?

Devon, England 7/3/2014

Hi all, First post here from me so thought I'd jump straight in with what I presume is a hybrid - or am I overlooking something? I seem to be getting more than my fair share of these recently so there's plenty more where this came from, I'm afraid. And apologies for the poor photo quality - distance...