Chapter I: Average Dates of Departure of the Commoner Summer Resident Birds

September 1 to 10

Least Bittern, Black-billed Cuckoo, Least Flycatcher, Baltimore Oriole,
Veery.

September 10 to 20

Kingbird, Cliff Swallow, Purple Martin, Warbling Vireo, White-eyed Vireo,
Prairie Warbler, Wood Thrush.

September 20 to 30

Spotted Sandpiper, Whip-poor-will, Hummingbird, Rose-breasted Grosbeak,
Bank Swallow, Yellow-throated Vireo, Nashville Warbler, Yellow Warbler,
Redstart, Ovenbird, House Wren.

October 1 to 10

Green Heron, Night-hawk, Chimney Swift, Wood Pewee, Scarlet Tanager,
Red-eyed Vireo, Black and White Warbler, Parula Warbler.

October 10 to 20

Virginia Rail, Black-crowned Night Heron, Cooper's Hawk, Yellow-billed
Cuckoo, Phoebe, Bobolink, Indigo Bunting, Barn Swallow, Catbird, Brown
Thrasher, Short-billed Marsh Wren.

October 20 to 31

American Bittern, Sharp-shinned Hawk, Red-winged Blackbird, Meadow Lark,
Field Sparrow, Vesper, Savanna and Chipping Sparrows, Towhee, Tree
Swallow, Black-throated Green Warbler, Maryland Yellow-throat,
Long-billed Marsh Wren.

November 1 to 30

Woodcock, Mourning Dove, Marsh Hawk, Kingfisher, Flicker, Bronzed
Grackle, Cowbird, Song Sparrow, Swamp Sparrow, Robin.