BIRDS BROWN ABOVE AND WHITE BELOW. 55 



tainod a sonf]j, and it is at tirncH dcliv(!rcd in ilic 

 Ivviliglit, like iliat of the Ni<,ditin<^ale. 



WOOD-WREN — 5| inches ; ycllowisli-gieen almve ; pnie 

 white below, but throat clear yellow ; proininent yellow 

 eyebrow. Song, few warbled notes, followed by the 

 closely crowileil notes of a sliivering trill. 



WILLOW-WRKN— 5 inches; olive alx.vc! ; yellowish-white 

 ))elow. Song, about fourteen warbled notes of equal 

 duration, successively lower in jiitch and of diininislied 

 force, foiniing a cadence rei)eate<l \vithout variation. 



NIGHTINCiAIil*; — (ih inches; jjlain ruddy-brown above; 

 grayish-white below. Song more varied and stronger. 



CHIFF-CHAFF. — Form, resembling Willow-Wren 

 (plate 27). Lengtli, 4 J inches. iJull olive-green 

 above ; wing and tail feathers dusky, edged witli 

 olive ; inconspicuous yellowish-white eyebrow ; \iiider 

 ])artH dull yellowish-white ; legs and feet V)lacklsh. 

 Summer migrant. 



Eggs. — Usually C, white, spotted with purplish- 

 brown, chiefly at the larger end, and occasionally 

 with a few gray blotches; "6 ^ "45 inch (plate ]24). 



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. — Geneial throughout England, but 

 local in Norfolk, Lancashire, and Yorkshire ; rarer in 

 Scotland ; common in Ireland. 



The ChilT-Chafr 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 its 



