324 BIRDS OF THE NEW YORK CITY REGION 



YELLOW WARBLER (Dendroica destiva) 

 This well known and unmistakable Warbler is a common 

 summer resident in all rural sections of our territory, but has 

 decreased greatly in the immediate vicinity of the City. It is 

 quite irregular in its migrations, appearing anywhere between 

 April 20 and the first week in May. Breeding birds often 

 disappear the first week in August, but normally remain until 

 the end of the month. On rare occasions transient individu- 

 als are observed during a big flight in the middle of September. 

 Long Island. Common summer resident, April 18 to Sep- 

 tember 20 and September 28. 



ORIENT. Common summer resident, April 30, 1908 to 

 September 28, 1913; average arrival May 2. 

 MASTIC. Abundant summer resident. 

 LONG BEACH. Regular transient; May 4, 1916 (Bicknell) 

 to May 26, 1918 (Janvrin); July 24, 1919 and August 4, 1921 

 to September 17, 1914 (Bicknell). 



New York State. Common summer resident outside the 

 Metropolitan district. 



CENTRAL PARK. Common transient, a few pairs still 

 nesting; April 19, 1912 (Anne A. Crolius) to September 15, 

 1921 (Carter and Griscom); casual October 5, 1921 (Carter 

 and Griscom); rarely recorded in September, breeding birds 

 often departing early in August. 



BRONX REGION. Now an uncommon summer resident, 

 May 4, 1916 (L. N. Nichols) to August 27, 1910 (Hix, Rogers 

 and Wiegmann). 



New Jersey. A common summer resident except in the 

 suburban sections, but somewhat local, with a marked preference 

 for willow thickets on the borders of swamps and streams. 



ENGLEWOOD REGION. Now an uncommon and local sum- 

 mer resident, April 26, 1902 (Bird-Lore) to September 1, 

 1887 (Chapman) and September 16, 1919 (Weber). 



BLACK- THROATED BLUE WARBLER (Dendroica cxrulescens) 



This is one of our commoner transient Warblers, and 

 breeds locally in Sussex and Passaic Counties, New Jersey. 

 Beginners have good cause to bless the distinctly colored 

 male for not changing his plumage in the fall. The obscure 



