30 THE BIRD-LIFE OF A YEAR. 
second song period, and on the brighter days of the 
month we may hear Song, White-throated, and Fox 
Sparrows, Phoebes, and Ruby-crowned Kinglets in 
song. 
The diurnal migration of Crows and Hawks is a 
feature of the bird-life of the month. In scattered 
companies they string across the sky, en route to 
more productive feeding grounds. 
BIRDS OF THE MONTH. 
PERMANENT RESIDENTSs (see page 6). 
Remaining SumMER REsmDents (see page 10). 
The following will depart for the south : 
Plate Plate 
No. No. 
October 1 to 10. October 10 to 20. 
6. Black-crowned Night} 11. Spotted Sandpiper, 
Heron. 27. Whip-poor-will. 
22. Yellow-billed Cuckoo. 27. Nighthawk. 
Black-billed Cuckoo. 59. Red-eyed Vireo. 
28. Chimney Swift. 64. Maryland Yellowthroat. 
Least Flycatcher. 69. Long-billed Marsh Wren. 
38. Bobolink. Short-billed Marsh Wren 
Grasshopper Sparrow. 68. House Wren. 
83. Indigo Bunting. 67. Brown Thrasher. 
84. Scarlet Tanager. 88. Catbird. 
1. Barn Swallow, 
1. Cliff Swallow. October 20 to $1. 
1. Bank Swallow. 
White-eyed Vireo. 2. Pied-billed Grebe. 
60, Black and White Warbler. | 32. Phoebe. 
62. Redstart. 55. Towhee. 
63. Oven-bird. 1. Tree Swallow. 
74, Wood Thrush. 
