BIRDS BROWN ABOVE AND WHITE BELOW. 65 



tnined a song, and it is at times delivered in the 

 twilight, like that of the Nightingale. 



WOOD-WREN 5$ inches; ycllowish-green abore; pare 

 white below, bat throat clear yellow ; prominent yellow 

 eyebrow. Song, few warbled note*, followed by the 

 closely crowded notes of a shivering trill. 



WILLOW- WREN 5 inches; olive aK>ve; yellowish-white 

 below. Song, about fourteen warbled notes of equal 

 duration, successively lower in pitch and of diminished 

 force, forming a cadence repeated without variation. 



NIGHTINGALE 6i inches; plain ruddy-brown above; 

 grayish- white below. Song more varied and stronger. 



CHIFF-CHAFF. Form, resembling Willow- Wren 

 (plate 27). Length, 4} inches. Dull olive-green 

 above ; wing and tail feathers dusky, edged with 

 olive ; inconspicuous yellowish-white eyebrow ; under 

 parts dull yellowish-white ; legs and feet blackish. 

 Summer migrant 



Eggs. Usually 6, white, spotted with purplish- 

 brown, chiefly at the larger end, and occasionally 

 with a few gray blotches ; '6 x '45 inch (plate 124). 



Nest. Domed, with entrance at the side, made 

 of dry grass, moss, and leaves, plentifully lined with 

 feathers, and placed on or near the ground in a hedge- 

 bank or low bush. 



Distribution. General throughout England, but 

 local in Norfolk, Lancashire, and Yorkshire ; rarer in 

 Scotland ; common in Ireland. 



The Chiff-Chaff is smaller and duller in colour than 

 either of its very similar relatives, the Wood-Wren and 

 Willow-Wren, but there is no striking feature in ita 



