Cooh — Bird Migration in the l>i»trict of Columbia. 



23 



Species. 



Pine Warbler 



< treat Blue Heron . . . . 



Brown Thrasher 



Louisiana Water Thrush . 

 Blue-graj Gnatcatcher . . 



Tree swallow 



Ruby-crowned Kinglet ■ ■ 

 Vellow Palm Warbler . . 

 Rough-winged Swallow 

 Yellow-throated Warbler 



Swamp sparrow 



Ospre5 



Barn Swallow 



Black and White Warbler 



Upland Plover 



Chimney Swift 



Solitary Yireo 



Henslow sparrow . . . . 



lions." Wren 



' freen Heron 



Whippoorwill 



Spotted Sandpiper . . . . 



Bank swallow 



Ovenbird 



Yellow Warbler 



i Irasshopper Sparrow . . 

 Maryland Yellow throat 



Prairie Warbler 



White-eyed Yireo . . . . 



Redstart 



Catbird 



I'arnla Warbler 



Wood Thrush 



Yellow-throated Vireo . . 



Red-eyed Vireo 



Solitary Sandpiper . . . . 



Average 

 date of 



sprint; 

 arrival. 



Earliest date 



of spring 



arrival. 



March 31 Mar. 

 April :; Jan. 



3 Mar. 



5 April 



7 Mar. 



7 Mar. 



8 Rare, 



9 Mar. 

 U Mar. 



11 April 



12 Rare, 



12 Miir. 



13 Mar. 

 1 l April 



Average 



date i 'i 



the lasi 



one seen. 



Latest date 

 oi the last 

 mi,- seen. 



April 

 April 

 April 

 22 April 



28 April 



6, 1910 



... L913 



•1-1, 1908 



1. 1910 



30, 1907 

 ■JG, 1887 

 winter 



31, 1889 

 31, 1912 



5, 1910 

 winter | 

 11), 1905 

 30, L890 



s, 1888 

 21,1896 



6, 1905 

 6, 1905 



lu, 1889 



2G, 1910 



9, 1905 



8, 1909 



2, 1905 

 13, 1904 

 10, 1904 



4. 1862 

 10, 1912 

 13, 1891 

 12, 1883 

 10, 1912 

 15, 18.77 

 19. 1905 

 17, 1912 

 is. 1909 

 17. 1912 

 21, 1895 

 24, 1909 



Breeds 



Bj Is 



Breeds 



Breeds 



May 12 



Ma y o 



April 'JO 



Breeds 



Breeds 



May 12 



Breeds 



Breeds 



Breeds 



Breeds 

 May 9 

 Breeds 



Breeds 

 Breeds 



Breeds 

 Breeds 

 Breeds 

 Breeds 

 Breeds 

 Breeds 

 Breeds 

 Breeds 

 Breeds 

 Breeds 

 Breeds 

 Breeds 

 Breeds 

 Breeds 

 Breeds 

 May 16 



.1 ii in 



1907 



May -jr., L889 

 May 15, 1885 

 Maj 1. 1892 



May 19. 1859 



April 21. 1890 



May is, 1896 



May 21, 1906 



