. A practical handbook of British birds . nd upper tail-coverts blue-grey ratherdarker than crown ; under-parts slate-grey varying in shade, undertail-coverts usually rather darker ; axillaries and under wing-coverts white, but coverts along edges of wings slate-grey ; tail-feathers broadly tipped brown-black, rest slate-grey, basal half ofouter web of outermost feather grey-white or white ; primariesbrown-grey on outer webs, tips darker and inner webs ash-grey, THE ROCK-DOVE. 483 becoming whitish at base ; secondaries ash-grey, outer half withblack-brown tips and inner half with broad black s
. A practical handbook of British birds . nd upper tail-coverts blue-grey ratherdarker than crown ; under-parts slate-grey varying in shade, undertail-coverts usually rather darker ; axillaries and under wing-coverts white, but coverts along edges of wings slate-grey ; tail-feathers broadly tipped brown-black, rest slate-grey, basal half ofouter web of outermost feather grey-white or white ; primariesbrown-grey on outer webs, tips darker and inner webs ash-grey, THE ROCK-DOVE. 483 becoming whitish at base ; secondaries ash-grey, outer half withblack-brown tips and inner half with broad black subterminal bandon outer webs but extending across both webs of innermost feathers ;primary-coverts ash-grey, darker on edges of outer webs ; rest ofwing-coverts ash-grey as mantle but greater coverts with broadsubterminal black band on outer webs but extending across bothwebs of innermost feathers, and forming with secondaries doubleblack bar across wing. This plumage is acquired by completemoult June-No v. sometimes (Not examined.). Portion of wings of (A) the Stock-Dove {Coluiriba cenas), (B) the Rock-Dove (C. I. livid]. Juvenile.—Whole head, throat to upper-breast, and neck toupper-mantle dark brownish-slate ; mantle and scapulars palerand greyer with brown tinge ; back as adult; lower-rump and uppertail-coverts browner and darker than adult and feathers verynarrowly fringed black-brown ; under-parts darker and brownerthan adult with a little slate tinge ; under wing-coverts not sowhite as adult, mostly pale slate and those round edge of wingbrown,^very narrowly fringed grey-white ; tail as adult but basalhalf of outer webs of outermost feathers greyer and not so white ;wing-feathers as adult but browner and primaries with very narrowwhitish fringes at tips ; black bands on secondaries and greatercoverts usually not so even and strong as in adult ; all wing-covertspale grey-brown narrowly fringed greyish-white. Chin and gape 484 A PRACTICAL HANDBOOK OF BRITISH BIRDS.
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Keywords: ., bookcentury1900, bookdecade1920, booksubjectbirds, bookyear1920
