MYRTLE WARBLER 155 



24. Many of the visitants have made stays 

 of several days. In one instance a female 

 bird, presumably the same bird, remained 

 eight days, from May 10 to 17, in 1902. 

 Several times male birds have remained 

 from five to seven days. It is usual for them 

 to sing. One visitant was heard singing on 

 the Common on May 12, 1908. 



78. Myrtle Warbler 



Dendroica coronata 



The Myrtle Warbler, or Yellow-rumped 

 Warbler, regularly appears in the Garden. 

 In 1903 but one visitant was recorded, a 

 male bird in song on April 30. Usually 

 from six to twelve birds appear successively 

 in a season, one or two to four at a time. 

 Seven were present together on May 19, 

 1907. The earliest appearance of the species 

 was on April 17, 1902. The time of arrival 

 has varied between April 17 and May 18, 

 which late date was in 1904, when birds 

 were present only from May 18 to 20. Late 

 April and early May are the more usual 

 times. The migration commonly extends 



