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Thank you Mars!

Cheers,

Helder

I would appreciate some opinions on this bird, photographed almost one year ago (12.02.2013) in Peniche. Unfortunately just have photos on this position, no underwing, tail or spread wing recorded... I have identified it as a slender Larus michahellis , based on advanced moult, but now I have some d...

Hi Mars, Thanks for the reply! Yes, are difficult indeed. I have little experience with this taxa..i´ve observed some 1cy L. g. glaucoides in Peniche, and one kumlieni 1cy a few years ago..but were all typical birds. This one just seem so show some features for glaucoides and some for kumlieni... Th...

Hi, Looks very good for " atlantis", beside plumage features, the bird has a short tibia. Perhaps of limited use alone, but the dark scales on front tarsus seem tipical for "atlantis", and this bird shows it too. Found this one,two years ago, in Peniche, W Portugal: http://seabirdinginpeniche.weebly...

Hello, Yesterday i´ve found this glaucoides in Peniche, Western Portugal (my local patch). I´ve identified it has a kumlieni...but would like read other opinions...can it be a darker glaucoides? http://seabirdinginpeniche.weebly.com/uploads/1/4/0/2/14021037/780083_orig.jpg http://seabirdinginpeniche...