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Lesser Black-backed Gulls, individual variation? Sonadia Island, Bangladesh January 2021 (1 Viewer)

Seth Miller

Well-known member
Had a couple of Lesser Black Backed Gulls in a large flock of Pallas's Gulls. Noticed the difference in mantle color of these two individuals with the one on the left having a noticeably darker mantle. Could they be different subspecies, or just individual variation? Unfortunately only these two shots
 

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lou salomon

the birdonist
please add location and date, seth. the darker ones might be heuglini and the paler ones barabensis. currently subspecies of Larus fuscus.
 
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