September 20, 2013Regional Migration Forecast: 21-27 September 2013A pulse of moderate movements occurs midweek in the West, as the East experiences a major frontal passage followed by a building high pressure ridge that facilitate major movements over land and over water. Birds on the move this week…
September 20, 2013Regional Migration Analysis: 14-20 September 2013As the East pulsed with a major frontal passage and moderate to heavy movements in its wake, the West continued previous weeks’ pattern of many moderate movements. Birds on the move this week included Broad-winged Hawk, Northern Flicker, Warbling Vireo,…
September 17, 2013Special Forecast, Bering Sea: 18-23 September 2013Team BirdCast continues to try to provide some insights on the comings and goings of vagrants in the Bering Sea! The coming days have some great potential for Asian strays to appear in the Alaskan island chains, particularly given pervasive…
September 13, 2013Regional Migration Forecast: 14-20 September 2013Major movements begin the period in the East and West, followed by periods of less favorable conditions until another pulse of movements end the forecast period. Birds on the move this week will include Broad-winged and Sharp-shinned Hawk, Ruby-crowned Kinglet,…
September 13, 2013Special Forecast, Nocturnal listening in the Northeastern US: 13-14 September 2013A strong cold front has moved off the Atlantic coast after a week of more summer-like conditions. Friday night will see temperatures drop in many areas, with winds from the North and Northwest, perfect for moderate to heavy movements in…
September 13, 2013Regional Migration Analysis: 7-13 September 2013Moderate movements took hold in many areas of the West, while a strong front produced excellent end of the period flights in the East after a pervasive summer-like air mass departed. Birds on the move included Barn Swallow, Ruby-crowned Kinglet,…
September 12, 2013Special Analysis, Tribute in Light: 11-12 September 2013With forecast conditions looking rather gloomy for observers watching at the Tribute in Light but rosy for avoiding any potential for hazardous conditions for migrating birds, Team BirdCast predicted local, light movements and perhaps tens of birds in the beams…
September 11, 2013Special Update, Tribute in Light: 11-12 September 2013Last night’s flight is the Northeastern US was as underwhelming as previously forecast, and the hopes for slightly more favorable though still marginal conditions for birds to move during the night bore no fruit. Widely scattered light movements occurred in…
September 11, 2013Tropical Storm Gabrielle: storm birding in Newfoundland on 14-15 September 2013Despite a reasonably quiet season for tropical systems in the western North Atlantic, a lingering area of low pressure and associated storms that was once Tropical Storm Gabrielle has reorganized and started to move to the North and Northeast. The…
September 10, 2013Special Update, Tribute in Light: 10-11 September 2013For those in the greater New York City metropolitan area, the coming nights bring the return of the Tribute in Light Memorial. The powerful, side-by-side beams of light aimed skyward are first and foremost a somber tribute to the lives…
September 6, 2013Regional Migration Forecast: 7-13 September 2013A divided West sees light to moderate movements, as a complex East sees several primarily northern pulses of moderate to heavy movements. Birds on the move this week will include Sharp-shinned Hawk, Eastern Kingbird, Barn Swallow, Ruby-crowned Kinglet, Swainson’s Thrush,…
September 6, 2013Regional Migration Analysis: 30 August – 6 September 2013Movements across the West continued at light to moderate intensities characteristic of the last weeks, perhaps now past peak levels in portions of the Interior West, while the East experienced several pulses of moderate to heavy movements with the passage…
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BirdCast is made possible by the participating scientists at the below institutions, and many other contributors.



