American Herring x Lesser Black-backed Gull (hybrid) - Bill Sharkey

ML633402945

American Herring x Lesser Black-backed Gull (hybrid) Larus smithsonianus x fuscus

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Contribuidor

Data

Local

Prairie View Landfill
St. Joseph, Indiana, United States
Mídias desta localidade Lista Ilustrada
Mapa
Mapa Coordenadas: 41.49836, -86.1755703
Idade
Não especificado
Sexo
Não especificado

Detalhes da observação

Photos - bird is darker mantled than Herring but lighter than LBBG - Odd primary plumage with adult like features but for the primaries. One mirror in left P10 and none on the right wing. Dark triangular primary wedge on each wing. Underwing marks more reminiscent of LBBG than Herring. Some black on bill. Other species eliminated via mantle colors and indistinct features. Yellow legged. Primary features are incorrect for lighter mantled LBBG.

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