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Continental Summary Local light to moderate flights were scattered across the West and feature numerous waterfowl in this late season period, while the pulses of moderate flights in the Great Plains and Southeast featured many species of waterfowl, Turkey Vulture,…

Primarily unfavorable migration conditions in the West, coupled with the late date in the fall migration season, will allow for only local light movements featuring Northern Pintail, Green-winged Teal, Redhead, Pied-billed Grebe, Eared Grebe, Sandhill Crane, Say’s Phoebe, Varied Thrush, and American Pipit, while several pulses of energy moving through the East will bring favorable migration conditions that feature moderate to locally heavy movements of Gadwall, Lesser Scaup, Bufflehead, Tundra Swan, Common Loon, American Bittern, Bonaparte’s Gull, American Kestrel, and Hermit Thrush.

Continental Summary Primarily unfavorable migration conditions in the West, coupled with the late date in the fall migration season, will allow for only local light movements featuring Northern Pintail, Green-winged Teal, Redhead, Pied-billed Grebe, Eared Grebe, Sandhill Crane, Say’s Phoebe,…

Local light and moderate flights were the norm in the West featuring Common and Barrow’s Goldeneyes, Trumpeter Swan, Bonaparte’s Gull, Snowy Owl, American Kestrel, and Horned Lark, while moderate and heavy flights occurred in numerous areas of the East featuring Canvasback, Common Goldeneye, Hooded, Red-breasted and Common Mergansers, Tundra Swan, Bonaparte’s Gull, Snow Bunting, and American Tree Sparrow.

Continental Summary Local light and moderate flights were the norm in the West featuring Common and Barrow’s Goldeneyes, Trumpeter Swan, Bonaparte’s Gull, Snowy Owl, American Kestrel, and Horned Lark, while moderate and heavy flights occurred in numerous areas of the…

Marginal and favorable migration conditions for light to moderate flights are scattered across the West for the middle of the period and will feature White-winged Scoter, Common Loon, Clark’s Grebe, California Gull, Merlin, American Pipit, and Ruby-crowned Kinglet, while a major pulse of moderate to heavy flights in favorable migration conditions for the East will feature Greater White-fronted Goose, American Wigeon, Northern Pintail, Surf Scoter, White-winged Scoter, Vesper Sparrow, Fox Sparrow, Dark-eyed Junco, and Red-winged Blackbird.

Continental Summary Marginal and favorable migration conditions for light to moderate flights are scattered across the West for the middle of the period and will feature White-winged Scoter, Common Loon, Clark’s Grebe, California Gull, Merlin, American Pipit, and Ruby-crowned Kinglet,…

Light and locally moderate movements featuring Common Goldeneye, Hooded Merganser, Tundra Swan, Bonaparte’s Gull, Say’s Phoebe, American Pipit, and Rusty Blackbird, were the norm in some parts of the West, while pulses of locally moderate to heavy flights came to the East and featured Bufflehead, Hooded Merganser, Ross’s Goose, Common Loon, Rough-legged Hawk, Herring Gull, Hermit Thrush, Snow Bunting, and Dark-eyed Junco.

A strong low pressure center moving up the Atlantic Coast late during the week of 23 October 2017 produced favorable conditions to transport Neotropical migrants on the move, presumably from the southeastern US, far to the north of their intended destinations.

Favorable migration conditions with light to moderate movements featuring Common Goldeneye, Hooded Merganser, Ross’s Goose, Canada Goose, Pacific Loon, Western Grebe, Red-necked Grebe, Dunlin, and Ring-billed Gull come early in the period to some areas of the West, several pulses of favorable migration conditions bring moderate to very heavy movements to the East that will feature American Wigeon, Pied-billed Grebe, Sharp-shinned Hawk, Northern Harrier, Sandhill Crane, Eastern Phoebe, House Wren, and Pine Siskin.

Scattered light to moderate movements occurred in the West this week featuring Bufflehead, Canvasback, Lesser Scaup, Red-breasted Merganser, Western Grebe, Horned Grebe, Bonaparte’s Gull, Herring Gull, American Pipit, while pulses of moderate to locally very heavy movements featuring Common Goldeneye, Ring-necked Duck, Rough-legged Hawk, Franklin’s Gull, Golden-crowned Kinglet, Hermit Thrush, White-throated Sparrow, American Tree Sparrow, and Common Redpoll occurred in the East. A displacement of Neotropical migrants to points far north of their typical ranges occurred and continued to unfold at the end of the period in New England and the Canadian Maritimes.

Several pulses of favorable migration conditions bring mid to late period moderate flights featuring Common Loon, Dunlin, Bonaparte’s Gull, Belted Kingfisher, Golden-crowned Kinglet, Ruby-crowned Kinglet, Marsh Wren, Hermit Thrush, and White-throated Sparrow to many areas of the West, while two frontal passages spawn moderate to very heavy flights featuring Double-crested Cormorant, Northern Harrier, Belted Kingfisher, Vesper Sparrow, Common Grackle, and Red-winged Blackbird in the East.