Sunday, 1 April 2012
Small dark billed, dark mantled Lesser Black backed - any comments?
I came across this strange looking Lesser black backed Gull on the Conwy Estuary today. The bird was darker mantled than accompanying Lesser black backed Gulls (as seen in the photo), it was also smaller and had a dark bill. Although it's head seems 2cy the body seems full adult - most strange. I would have thought 3cy would have dark primaries and some hint of immature feathering, while a 4cy would have a yellow bill. The eye was yellow. Could it be an 'intermedius' Lesser black backed Gull? Any comments would be appreciated.