. British birds' nests; how, where, and when to find and identify them . I -fi LESSER BLACK-BACKED GULL. 124 BRITISH BIRDS NESTS. beak, and irides yellow. Head, neck, back, wings,and upper side of tail bluish or ash grey, exceptthe wing-primaries, which are almost black. Somespecimens have a mottled, rusty-brown spot onthe nape. Chin, throat, breast, and belly bluish-grey, much lighter on the latter parts. Thighs,vent, and under tail-coverts white. Under sideof tail-quills very light grey, faintly barred witha darker tinge. Legs and toes yellow; clawsblack. The female measures about four inche
. British birds' nests; how, where, and when to find and identify them . I -fi LESSER BLACK-BACKED GULL. 124 BRITISH BIRDS NESTS. beak, and irides yellow. Head, neck, back, wings,and upper side of tail bluish or ash grey, exceptthe wing-primaries, which are almost black. Somespecimens have a mottled, rusty-brown spot onthe nape. Chin, throat, breast, and belly bluish-grey, much lighter on the latter parts. Thighs,vent, and under tail-coverts white. Under sideof tail-quills very light grey, faintly barred witha darker tinge. Legs and toes yellow; clawsblack. The female measures about four inches longer;her bill is nearly black, and the bare skin roundthe base tinged with green. Irides and back of neck dark brown ; round theface is a kind of ruff, the feathers of which are amixture of brown and white. Back and wings umber-brown, except some of the coverts, which are edgedwith rufous, and the primaries, which are of a duskycolour. The tail-quills are dark brown tipped withrusty-red; the centre ones uniform in colour, andthose on the sides
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Keywords: ., bookcentury1800, bookdecade1890, booksubjectbirdsne, bookyear1898
