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Scientific Discussions

Migration Highlight, 28-29 March 2018

Team BirdCast highlights some relationships between migration and weather that could explain why our migration models predict migration in certain areas and not in others. Let’s take a quick look at the migration forecast for the night of 28-29 March 2018.


First Look: 26 March 2018

For our inaugural automated migration forecast and live migration map analysis post, let’s take a quick look to see how the maps compare!


A BirdCast welcome to a new era: Spring 2018 migration maps

BirdCast has been working toward automatically predicting and analyzing bird migration across the continental US, and we now unveil automated forecast maps and live migration maps. Welcome to the future of migration monitoring, please explore the new visuals and tune in frequently for discussion about movements!


You don’t need a weathervane . . .

With an unusual period of cold and snowy weather in western Europe, trans Atlantic movements of species like Northern Lapwing are possible. In keeping with previous discussions we have posted about this topic, BirdCast briefly discusses the potential for European vagrants to arrive in North America.


Regional Migration Analysis: 10-17 November 2017

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, Bonaparte’s Gull, Eastern Bluebird, Golden-crowned Kinglet, Cedar Waxwing, and Dark-eyed Junco. Need a review of […]


Regional Migration Forecast: 10-17 November 2017

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, Varied Thrush, and American Pipit, while several pulses of energy moving through the East will […]


Regional Migration Analysis: 3-10 November 2017

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 East featuring Canvasback, Common Goldeneye, Hooded, Red-breasted and Common Mergansers, Tundra Swan, Bonaparte’s Gull, Snow […]


Regional Migration Forecast: 3-10 November 2017

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, while a major pulse of moderate to heavy flights in favorable migration conditions for the […]


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