Caspian Gull? 2CY 16 Dec
Larus cachinnans


Photographer

Dick Newell

Date

16th December 2003

Location

Twenty Pence, Cottenham

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This age class is so much less distinctive than adults and 1st winters. Although easily overlooked as a Herring Gull, I think there is enough there to identify it as a 2nd winter Caspian Gull, including:
- white legs
- head and bill-shape (and shape of bird)
- furrowed brow (recalling Black-browed Albatross)
- behaviour - much aggression and wing-raising
- well defined black tail-band
- residual effect of 1st winter greater coverts - dark, bordered by 2 parallel pale lines (stand back and blur your eyes)
Having said all this, the bird is unusually dirty on the flanks and it may even be, heaven forbid, a Herring Gull. However compare it to these and this bird of a similar age.


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Previous Picture Caspian Gull 2CY 10 Nov

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