SECOND WEEK IN JUNE 11g 
had become by this time of the year very 
thick and almost impenetrable, making it 
very hard to see anything in it, to say noth- 
ing of the pricks and scratches suffered in 
searching through it. Thesedge-warblers were 
there as before (see Part II, pp. 130-1), and 
had their young now. One bird we noticed 
with a morsel in its beak. It kept to the 
bush tops,as sedge-warblers do when disturbed, 
and despite the fact that it had food in its 
beak it uttered some notes of song, though 
they were occasional. The uttering of musi- 
cal notes, however, with the beak closed, is 
not confined to the sedge-warbler, as other 
birds often do the same. We watched it 
go to the little family, and then found some 
other nests, including that of a song-thrush 
built in the fork of a tall may tree, which I 
photographed as being very typical (Plate XX). 
It makes a dark picture, for the nest was in 
the shadow of thick greenery, but it shows 
just what nests look when you peer into a 
dense thicket in search of them. I took a 
snap-shot of the pretty island, a lovely mate- 
