Bird Migration Forecasts in Real-Time

When, where, and how far will birds migrate? Our migration forecasts will answer these questions for the first time.

Regional Migration Forecast: 29 April – 6 May 2016

Favorable migration conditions in the latter half of the period for the West will bring extensive light to moderate movements of Spotted Sandpiper, Olive-sided Flycatcher, Dusky Flycatcher, Warbling Vireo, MacGillivray' Warbler, Lark Bunting, Clay-colored Sparrow, and Chipping Sparrow, while a highly variable period for weather in the East will bring similarly variable and patchily distributed moderate to heavy movements featuring Least Sandpiper, Forster's Tern, Olive-sided Flycatcher, Least Flycatcher, Acadian Flycatcher, Wood Thrush, Swainson's Thrush, Golden-winged Warbler, Nashville Warbler, Cape May Warbler, Blackburnian Warbler, and Baltimore Oriole.

Regional Migration Analysis: 22-29 April 2016

Light to moderate flights, primarily in the Desert Southwest and the eastern Rockies, were the highlights of the week in the West and featured Wilson's Phalarope, Vaux's Swift, Western Wood-Pewee, Hammond's Flycatcher, Brown-crested Flycatcher, Warbling Vireo, Yellow Warbler, Hermit Warbler, Summer Tanager, Western Tanager, and Lark Sparrow, while moderate to heavy flights featuring Mississippi Kite, Willet, Ruby-throated Hummingbird, Western Kingbird, Gray Catbird, Bay-breasted Warbler, Black-throated Blue Warbler, Rose-breasted Grosbeak, Blue Grosbeak, Dickcissel, and Baltimore Oriole were extensive in many areas of the East.

And now for something a bit different: selected anomalous distributions brought to you by the BirdCast Anomaly Detector

Team BirdCast has been experimenting with ways to detect changes in bird distributions as they are occurring. With the help of two talented Cornell undergraduates, Alex Wiebe and Benjamin Van Doren, who are leading the charge, we introduce the BirdCast Anomaly Detector. To detect unusual events–such as the beginnings of a Snowy Owl invasion, or […]

Regional Migration Forecast: 22-29 April 2016

The most favorable migration conditions in the West bring light to moderate movements of Vaux's Swift, Broad-tailed Hummingbird, Western Kingbird, Bank Swallow, Virginia's Warbler, Hermit Warbler, Lazuli Bunting, and Lark Sparrow during the work work, while the East experiences moderate to heavy flights featuring Forster's Tern, Solitary Sandpiper, Least Sandpiper, Yellow-billed Cuckoo, Blue-headed Vireo, Kentucky Warbler, Chestnut-sided Warbler, Magnolia Warbler, American Redstart during a wave of favorable and unfavorable migration conditions associated with the movements of a strong frontal boundary.

Regional Migration Analysis: 15-22 April 2016

Light and moderate flights featuring White-faced Ibis, Semipalmated Plover, Olive-sided Flycatcher, Red-faced Warbler, and Western Tanager were frequent in many areas of the West, while the East saw moderate and locally heavy flights featuring Spotted Sandpiper, Chimney Swift, Warbling Vireo, Red-eyed Vireo, Blackpoll Warbler, Cape May Warbler, and Prairie Warbler in the southerly flow ahead of a frontal boundary.

Regional Migration Forecast: 15-22 April 2016

Increasingly favorable conditions for light to moderate movements will build across the West for the work week, featuring Green Heron, Marbled Godwit, Short-billed Dowitcher, Cassin’s Vireo, Barn Swallow, Gray Flycatcher, and Summer Tanager, while the East experiences moderate to heavy flights of Broad-winged Hawk, Sora, Semipalmated Plover, American Avocet, Barn Swallow, Wood Thrush, Black-and-white Warbler, Prothonotary Warbler, Scarlet Tanager, Rose-breasted Grosbeak, Baltimore Oriole, and Lark Sparrow in the Plains for the first half of the period and similarly intense movements farther east later in the period.

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Computer Science

Innovative machine learning will predict the migration of 400+ species across North America


Our migration models will allow researchers to better understand bird behavior in response to environmental change

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