. Birds of Massachusetts and other New England states. Birds; Birds. 26 BIRDS OF MASSACHUSETTS. Gavia pacifica (Lawrence). Pacific Loon. Description. — Smaller than Loon; like Black-throated Loon but smaller; paler gray on hind- head and neck; also white streaks on sides of neck less prominent (because of gray background instead of black as in Black-throated Loon); bill shorter, and smaller. Adults in breeding plumage (sexes alike): Chin, throat and front of neck black or purplish-black, shading gradually through bronzy-greenish reflections on sides of head into "very pale smoky grayish&q
. Birds of Massachusetts and other New England states. Birds; Birds. 26 BIRDS OF MASSACHUSETTS. Gavia pacifica (Lawrence). Pacific Loon. Description. — Smaller than Loon; like Black-throated Loon but smaller; paler gray on hind- head and neck; also white streaks on sides of neck less prominent (because of gray background instead of black as in Black-throated Loon); bill shorter, and smaller. Adults in breeding plumage (sexes alike): Chin, throat and front of neck black or purplish-black, shading gradually through bronzy-greenish reflections on sides of head into "very pale smoky grayish" (sometimes nearly white) on top of head and back of head and neck, much darker on forehead, growing lighter behind, separated on sides of neck from black on fore neck by a series of white streaks on a dark gray background; a crescentic bar of short white streaks across throat; sides of lower neck and upper breast streaked narrowly black and white (in some individuals shorter streaks which nearly meet in front); upper surface of body glossy greenish- black or bluish-black, each feather of scapulars and of sides of upper back with two white angular spots near tip — one on each web (in some cases coalesced); these spots arranged in cross rows, largest on scapulars; wing-coverts black and (except primary coverts and feathers on edge of wing) dotted with small ovate white spots; flight-feathers black, their inner webs and under side of tail glossy grayish- brown ; tail brownish-black above; sides and flanks glossy black; a blackish line across vent; rest of under plumage white except a part of under tail-coverts which are blackish-brown tipped white and ax- illars which are streaked centrally blackish. Adults in winter plumage: Whole top of head and back of neck to near base, dark brown tinged grayish; rest of upper plumage slightly glossy blackish-brown sometimes margined darker (in certain individuals some scapulars with pair each of small, sub-terminal, whitish spots); w
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