
 I spent the whole weekend at Peterhead. There were no white-winged gulls but plenty of 'argies' to look at and photograph.  These images are not great (very grainy), as the light was very poor and I was shooting on ISO approx 1600-2000.
 L.a.argentatus (with nice 
cachinnans type
 pattern on P10)
 L.a.argentatus; the angle makes the outer-primaries appear more extensively white than in life

 Several of the adult argies have yet to complete their wing moult.
L.a.argentatus; a very dark one.
 
L.a.argentatus. Unusually dark nape and breast sides. 

1 cy  Herring Gull

 Herring Gull.  Presumably from the far north (i.e. no scapular moult yet).

 1 cy Herring Gull.

 1 cy Herring Gull.

 1 cy Herring Gull.
 
 
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