206 A HANDBOOK OF EUROPEAN BIRDS. 
Adult Female: Can o be distinguished from the 
female of / clangula by its larger size and possibly by a 
somewhat larger bill. 
Distribution : Resident in Iceland and many of the Cir- 
cumpolar regions. 
Habitat: Inland lakes or rivers and fjords. 
HARLEQUIN DUCK. 
Fuligula histrionica (Zzmm.). 
Adult Male: Forehead and crown black, at first bordered 
by white and towards the nape by chestnut; a large d/otch 
between eye and bill, a spot on ear-coverts, a stripe at either 
side of neck, a droad collar (narrowing towards the front), a 
broad patch bordered with black on sides of chest and part of 
scapulars, pure white; rest of head and fore neck blackish- 
blue ; zng-speculum metalic-purple; flanks chestnut, rest of 
plumage chiefly ashy-grey, shading into brown on centre of 
abdomen and into black on tail-coverts, the outermost under 
ones tipped with white; bill dark slate-grey ; legs and feet 
brown with darker webs; irides hazel-brown. Length about 
7 tmeches ; culmen 17; $wme 7°75 to-o3 tailed 2c eiaesue 
2s 
Adult Female : Somewhat smaller. Upper plumage deep 
brown ; white patch before the eye obscure and separated into 
two parts by a brown stripe ; auricular-patch more pronounced ; 
under parts copiously spotted or mottled with white ; flanks 
reddish-brown. 
Young in first plumage: Resemble adult female, but 
are browner on chin and throat and the white patch before — 
the eye is mottled thickly with brown. 
Males in first breeding dress: Browner beneath 
than adults, show very little chestnut on flanks and less white 
on scapulars. 
Distribution : Found in the northern portions of Europe 
and America. Breeds abundantly in Iceland. 
Habitat: Rapid streams or rivers in secluded regions. 
