BRITISH WARBLERS 



the greenish yellow of the upper parts and the smaller wing- 

 coverts are a similar colour, whereas the bastard wing is 

 greyish brown. The tail feathers are greyish brown edged 

 with the same colour as the rump and upper tail-coverts, 

 the shafts being dark reddish brown, and the under surface 

 of the tail and wing feathers is grey narrowly edged with 

 greyish white. The outer edge of the anterior part of the 

 underside of the wing is brownish grey, the feathers having 

 light yellow edges, the smaller wing-coverts are white and 

 the axillaries light yellow. The bill is brown, the colour 

 being of a lighter shade on the edges and at the base of the 

 lower mandible, iris is dark brown, feet fleshy brown, and 

 the soles olive yellow. 



The colouring of the female is similar to that of the male 

 but not so bright. 



Immature. — The upper parts are slightly lighter and more 

 olive yellow than in the case of the adult in spring, the yellow 

 parts of the head and throat less brilliant, but the underparts 

 similar. 



Nestling. — The general colour is similar to that of the 

 adult in spring but brighter. The upper parts incline towards 

 grass green, the yellow throat and upper breast are deep 

 sulphur yellow, and the superciliary stripe is very conspicuous. 

 The innermost secondaries are broadly margined with light 

 yellow, the whole of the underparts and under tail-coverts 

 being pure white. Upper mandible is horn brown and the 

 lower yellowish flesh colour. 



GEOGRAPHICAL DISTRIBUTION. 



It is found breeding in suitable localities throughout 

 England and Wales, except in the west of Cornwall and 

 Pembrokeshire, but is thinly distributed in Scotland, only 

 being common in parts of the Clyde area and not breeding- 

 north of Loch Broom on the west side, though it has 



