News

This is the final forecast and analysis report for the Fall 2013 season. Please continue to visit BirdCast.info for updates and commentary on noteworthy movements of birds during the coming months, and look for weekly forecasts to resume on 1…

Continental Summary: Scattered light movements will occur in portions of the West, as the East sees a substantial movement to begin and end the period. Birds on the move this week will include Bufflehead, Common Goldeneye, Hooded Merganser, Ruby-crowned Kinglet,…

Continental Summary: Scattered light movements were the norm in the West, with only a few areas of more intense movements, as the East experienced some substantially heavier migration than expected, particularly along the East Coast. Birds on the move this…

Continental Summary: Light to moderate movements are the norm across the country this week as species diversity and numbers pass peak in many areas, although some locally heavy movements begin the period in the Southeast. Birds on the move this…

Continental Summary: The West experienced one of the last of the extensive light to moderate movements of the fall along the Pacific Coast and in the Desert Southwest, as the East experienced some widespread pulses of moderate movements and a…

Continental Summary: Extensive moderate to heavy movements occur over many portions of the East during this period, representing a serious change of guard from the last later season Neotropical migrants and the growing waves of intracontinental migrants, while the West…

Continental Summary: Two pulses of movements rushed through the East, as continuing light to moderate movements were steady in the West. Birds on the move this week included Hermit Thrush, Ruby-crowned and Golden-crowned Kinglets, Yellow-rumped Warbler, White-throated Sparrows, and Dark-eyed…

Continental Summary: Widespread light and moderate movements across the West are still apparent, as a major pulse of northerly flow brings a large flight to the East by midweek. Birds on the move this week will include Northern Harrier, Chimney…

Continental Summary: Pulses of light to moderate movements continued in the West, as a large movement in the East saw large numbers of birds moving across the region and transiting through and to the Southeast. Birds on the move this…

Continental Summary: Both West and East experience periods of moderate to locally heavy movements this week, as the large but increasingly less diverse movements of October are in full swing. Birds on the move this week will include Golden-crowned and…

Continental Summary: Widespread light and moderate movements occurred across the West during the period, including some coastal flights allied with Santa Ana winds in southern California, while two strong pulses of moderate movements occurred during the middle of the period…

A strong low pressure system is forecast to move across northeastern Asia and the northern Bering Sea late on Thursday 3 October and early on Friday 4 October. Forecasts call for strong westerly winds with this system, which is quite…