. A practical handbook of British birds . vered with longish, softdown with fine hair-like tips. Line across fore-head, through loresand broad circle round eyes white ; upper-parts rich buff withblotches and rather broken lines of black, small irregular blotchesnot quite connected on each side of crown, longer streak on back ofneck, long streaks on each side of upper-mantle, somewhat brokenand irregular on sides of back, streak down centre of rump endingin blotch, irregular blotches on wings ; tip of wing greyish-white ;apex of chin greyish-white, rest of chin and throat dark buff to sooty-bro
. A practical handbook of British birds . vered with longish, softdown with fine hair-like tips. Line across fore-head, through loresand broad circle round eyes white ; upper-parts rich buff withblotches and rather broken lines of black, small irregular blotchesnot quite connected on each side of crown, longer streak on back ofneck, long streaks on each side of upper-mantle, somewhat brokenand irregular on sides of back, streak down centre of rump endingin blotch, irregular blotches on wings ; tip of wing greyish-white ;apex of chin greyish-white, rest of chin and throat dark buff to sooty-brown ; middle of breast greyish white ; sides and belly darkbuffish-grey. Down isreplaced by juvenilefeathers, to tips ofwhich it clings. Juvenile. — Fore-head extending overeye white often washedbrown ; crown, middle 1 Of nape and upper ear- juvenile of the Black Tern (Chlidonias n. niger.) coverts sooty - black, feathers narrowly edged pale brown to whitish ; lower-neck and sides of nape white, feathers often tipped pale brown ; upper-. 688 A PRACTICAL HANDBOOK OF BRITISH BIRDS. mantle black-brown, feathers very narrowly tipped pale brown anddark grey central portions not entirely concealed ; lower-mantleand scapulars showing more grey, with paler brown tips andbroader whitish extreme tips ; back paler with very faint brownishtips ; upper tail-coverts tipped hoary sometimes with brown tinge ;under-parts white with dark brown patch on each side of upper-breast ; under wing-coverts and axillaries white ; tail-feathers asadult but brownish at tips ; primaries and secondaries as adult butshafts of primaries usually brown, not white ; innermost secondariesand greater and median coverts tipped brown as scapulars, rest ofcoverts with small brown tips ; lesser coverts blackish with verynarrow hoary fringes. First winter.—No certain examples and none in moult examinedbut appears to become like adult winter, probably by moult of body-feathers and by wear of tips of wing-coverts. Firs
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Keywords: ., bookcentury1900, bookdecade1920, booksubjectbirds, bookyear1920
