Page:Bird-lore Vol 04.djvu/99

 78 Bird — Lore

seen the lirst pair. [n 1899 the larger clearing already referred to con, taint-d three pai _. all of which nested and two of the broods were hatched. and. I believe. left their nests at the proper time, hut the third nest was

destrmeti. In other clearings. within a distance of a mile or so, there were a le\\' Chestnutrsidcd \‘Varhlers. but they were by no means com- mon. E; h of the several clearings, except one, had a pair of the birds that I knew of. perhaps they had more; but I doubt it, as I spent the

entire time from May till August in the vicinity and visited each locality se\eral times cverv week. In [900 the \Varblers were comparatively common. every clearing

cimsrxt'rsmco WARBHK -\\|) \'0L'.\4;

containing several pairs, and last summer they were still more abundant. four pairs occupying a clearing of only a few acres, while in the large clearing there were more than could be counted with accuracy; probably not less than seven or eight pairs.

What has inﬂuenced the rapid increase of these birds in this particular locality is difﬁcult to discover. Apparently there have been no great changes so far as vegetation is concerned: the scrub is a little more dense, and the second growth somewhat higher, but to the eye it would be diﬂie cult to ﬁnd any marked changes other than these. While we are unable to account for the increase of the Chestnutrsided Warblers. we ﬁnd it