Gill Mill Quarry (north)
Probable Lesser Black-backed Gull: ad. very dark winged (almost black), smallish; potential fuscus-type. Many other lighter winged birds present for comparison. Also 3 potential Caspian gulls, little ringed plover and Egyptian geese. All despite heavy machinery working on site. SP367084. 17:32.
Probable Lesser Black-backed Gull: ad. very dark winged (almost black), smallish; potential fuscus-type. Many other lighter winged birds present for comparison. Also 3 potential Caspian gulls, little ringed plover and Egyptian geese. All despite heavy machinery working on site. SP367084. 17:32.
Martin Clutterbuck