Birds of Greenwood Lake and Vicinity 
161 
Dendroica aestiva — Yellow Warbler. 
Common summer resident. Arrives about May 4 and leaves about 
September 30. This is probably the most common warbler of the sec- 
tion. Nests regularly each year all about the lake. 
JJendroica ccerulescens — Black-throated Blue Warbler. 
Common migrant. Spring migration May 5 to 20 and fall migration 
September 1 to October 1. Occasionally met with during middle of June 
iji the Bearforts and Bellvales. 
Dendroica coronata — Myrtle Warbler, 
Common migrant. May 1 to 20 in the spring and October 10 to 25 
in the fall. Have been seen as early as April 9 and as late as November 5. 
Dendroica magnolia — Magnolia Warbler. 
Common migrant. Arrives May 10 to 20 and passes south August 
20 to 31. Have observed them as late as June 10 in the Bearforts. 
Dendroica 'pensylvanica — Chestnut-sided Warbler. 
Common summer resident. Nest regularly each year in this section. 
Arrives about May 8 and leaves about September 10. 
Dendroica castanea — Bay-breasted Warbler. 
Rather rare migrant. When present it passes north about May 15 
and south about September 1 to 5. Observed in 1914, 1917 and 1921, All 
records were made in the Bellvale hills. 
Dendroica striata — Black-poll Warbler. 
Common migrant. Spring, May 15 to June 1, and fall, September 
5 to 30. Can be looked for all about the lake during these periods. 
Dendroica fiisca — Blackburnian Warbler. 
Rather common migrant. Arrives about May 6 to 15 and passes south 
about September 5. The valley of the Wanaque between the Glens and 
Hewitt is probably the best place to look for this species in this section, 
although a number have been observed on both sides of the lake in the 
heavily wooded sections. 
Dendroica virens — Black-throated Green Warbler. 
Common migrant. Arrives from the south about May 5 and passes 
south again about September 15 to 30. Large flocks of this species are 
observed all about the lake during each migration and they are most 
often observed in the uppermost branches of the deciduous growths. 
Dendroica vigor si — Pine Warbler. 
Rather rare migrant. Spring migration April 5 to 15 and fall mi- 
gration October 1 to 5. 
Dendroica palmarum — Palm Warbler. 
Rare migrant. Only observed twice: May 6, 1910, at Awosting along 
the Wanaque, and on May 7, 1918, at Sterling Forest. 
Dendroica palmarum hypocTirysca — Yellow Palm Warbler. 
Common migrant. One of the earliest warblers to appear in the 
section. Arrives April 15 and passes south about October 15. 
Dendroica discolor — Prairie Warbler. 
Rather rare migrant, A few individuals are observed each in the 
spring migration. May 5 to 10. 
S eiurus aurocapillu s — Oven-bird . 
Common summer resident. Arrives about May 1 and departs in early 
October. Nests regularly, but are very hard to find. 
