. A practical handbook of British birds . e chestnut giving a mottled appearance ; sides of breast andflanks chestnut and black, feathers being mostly chestnut withblack tips ; ventpale brown, feathersdown-like and tippedwhitish or rufous-buff ; whole of restof breast and bellysilky-white ; axilla-ries and under wing-coverts white ; pri-maries brown withblack shafts and palebrown inner webs andwhite at extremebase, 7th developed primary and sometimes 6th or even 5th tippedwhite and with inner web mottled white, 8th and 9th same but some-times with inner webs mostly white except at base, 10th m
. A practical handbook of British birds . e chestnut giving a mottled appearance ; sides of breast andflanks chestnut and black, feathers being mostly chestnut withblack tips ; ventpale brown, feathersdown-like and tippedwhitish or rufous-buff ; whole of restof breast and bellysilky-white ; axilla-ries and under wing-coverts white ; pri-maries brown withblack shafts and palebrown inner webs andwhite at extremebase, 7th developed primary and sometimes 6th or even 5th tippedwhite and with inner web mottled white, 8th and 9th same but some-times with inner webs mostly white except at base, 10th mostlywhite with some black at base of outer web, 11th same but oftenwith some black at tip (amount of white on inner primaries thusvaries) ; secondaries white, inner ones with more or less black attip and innermost entirely black ; all wing-coverts plumage is acquired by moult of body-feathers and tail butnot of wing-feathers or wing-coverts Feb. to Mayl Winter.—Acomplete moult including wings commences sometimes July,. The Black-necked Grebe (Podiceps n. nigricollis), Winter. 460 A PRACTICAL HANDBOOK OF BRITISH BIRDS. usually complete Dee., but sometimes still some moult Jan. Crown,mantle and scapulars black with slightly more brownish tinge thanin summer, on each side of lower nape a white patch not quitemeeting in centre of back of neck, feathers of which have long blacktips and white bases ; back black-brown ; sides of rump and tailwhite, tipped black, ear-coverts browner than crown; chin,cheeks and upper-throat white ; lower-throat brown, featherslightly tipped white ; breast and belly silky-white, feathers ofsides of breast with subterminal blackish-grey spots, flank-featherswith long black tips, vent brownish, feathers tipped white. Nestling (Plate 7).—Upper-parts blackish with light stripesvery ill-defined, very narrow greyish stripes on each side of crownand over eye and down back of neck but those on mantle and backscarcely noticeable and much bro
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Keywords: ., bookcentury1900, bookdecade1920, booksubjectbirds, bookyear1920
