. Hand-book to the birds of Great Britain . i\. GREAT BLACK-BACKED GULL. 05 mottled and barred like the back; head and hind-neck white,streaked with brown, more thickly on the hinder crown andnape, and very thinly on the lores, sides of face, and lowerthroat; chin and upper throat white, unspotted ; remainder ofunder surface of body white, slightly spotted with dusky brown,but more distinctly on the sides of the breast and flanks, wherethe dusky bars and arrow-head markings are very distinct;under wing-coverls and axillaries white, with dusky bars. Concerning :he changes in plumage of this spe
. Hand-book to the birds of Great Britain . i\. GREAT BLACK-BACKED GULL. 05 mottled and barred like the back; head and hind-neck white,streaked with brown, more thickly on the hinder crown andnape, and very thinly on the lores, sides of face, and lowerthroat; chin and upper throat white, unspotted ; remainder ofunder surface of body white, slightly spotted with dusky brown,but more distinctly on the sides of the breast and flanks, wherethe dusky bars and arrow-head markings are very distinct;under wing-coverls and axillaries white, with dusky bars. Concerning :he changes in plumage of this species whenimmature, Mr. Howard Saunders writes:—Restricting theterm young to a bird of two years, at a later stage blackfeathers appear on the mantle, and the white edges to thesecondaries are distinct, but the primaries are still without mirrors. Afterwards the primaries have white tips, and thefourth, fifth, and sixth exhibit what may almost be called sub-terminal bars, while the outermost quill shows a sub-apicalmirror of dull white, and t
Size: 1126px × 2219px
Photo credit: © Reading Room 2020 / Alamy / Afripics
License: Licensed
Model Released: No
Keywords: ., bookcentury1800, bookdecade1890, booksubjectbirdsgr, bookyear1894
