20 
THE BIRD-LIFE OF A YEAR, 
May is preéminently the month of courtship, which 
finds expression chiefly in song. 
Many species begin 
to nést in May, but the nesting season reaches its 
height the following month. 
BIRDS OF THE MONTH. 
PERMANENT ResIpEnts (see page 6). 
MIGRANTS. 
Plate Plate 
No. No. 
May 1 to 10. Magnolia Warbler.* 
10. Common Tern. Chestnut-sided Warbler. ~ 
Solitary Sandpiper.* Prairie Warbler. 
10. Semipalmated Plover.* 
22. Yellow- billed Cuckoo. 
Black-billed Cuckoo. 
27, 91. Nighthawk. 
29, 91. Ruby-throated Hum- 
mingbird. 
31, 91. Crested Flycatcher. 
80. Kingbird. 
35. Baltimore Oriole. 
86. Orchard Oriole. 
38, 91. Bobolink. 
Grasshopper Sparrow. 
83. Indigo Bunting. 
54. Rose-breasted Grosbeak. 
85. Scarlet Tanager. 
59, 91. Red-eyed Vireo. 
Warbling Vireo, 
59. Yellow-throated Vireo. 
White-eyed Vireo, 
Nashville Warbler.* 
Blue-winged Warbler. 
Parula Warbler. 
Black-throated Blue War- 
bler.* 
Small-billed Water 
Thrush.* 
Hooded Warbler. 
87. Yellow Warbler. 
64, 98. Maryland Yellowthroat. 
65. Yellow-breasted Chat. 
63, 91, 97. Oven-bird. 
62. Redstart. 
68, 91. House Wren. 
88, 99. Catbird. 
74, 100. Wood Thrush 
78. Veery. 
May 10 to 20. 
33. Wood Pewee. 
Acadian Flycatcher. 
Yellow-bellied Flycatcher.* 
White-crowned Sparrow.* 
Golden-winged Warbler.* 
Tennessee Warbler.* — 
Worm-eating Warbler, 
Cape May Warbler.* 
Blackburnian Warbler.* 
Bay-breasted Warbler,* 
* Transient Visitant passing further north. 
