News

  • May 3, 2014Regional Migration Forecast: 2 May – 9 May 2014

    A busy early week of movements in the West shuts down by week’s end, while widespread favorable conditions arrive by mid to late week in the East and spawn moderate to heavy movements in many areas. Species on the move…

  • May 1, 2014Regional Migration Analysis: 25 April – 2 May 2014

    Moderate to heavy movement from the Great Plains to the Gulf Coast in the early part of the period gave way to generally light movement across much of the country towards the end of the week. Species on the move…

  • April 25, 2014Regional Migration Forecast: 25 April – 2 May 2014

    Widespread light to moderate movements early in the weekend are shut down by two consecutive disturbances in the West, while the arrival of these same disturbances in the East brings a patchwork of moderate to locally heavy movements to the…

  • April 25, 2014Regional Migration Analysis: 18-25 April 2014

    Widespread light to moderate movements occurred early in the period in the West, while a major pulse of moderate to heavy movements occurred late in the week in the Southeast. Species on the move this week included Semipalmated Plover, Spotted…

  • April 22, 2014Species on the move: 18-20 April 2014

    This week we highlight species on the move over the past weekend in the Southeastern US, including a number reported in frequencies substantially in advance of the 2004-2013 average (like Swainson’s and Wood Thrushes, Black-throated Blue and Cape May Warblers, Rose-breasted Grosbeak,…

  • April 18, 2014Regional Migration Forecast: 18-25 April 2014

    Pulses of movements will track the advance of several low pressure systems across the continent this week, with those system producing light to moderate movements in the West and moderate to heavy movements in the East. Species on the move…

  • April 18, 2014Regional Migration Analysis: 11-18 April 2014

    Light to moderate movements in the West were most evident in the Desert Southwest and California, while strong low pressure passing through the East brought unseasonably cold and unfavorable conditions and kept most moderate movements sparse in space and time….

  • April 14, 2014Species on the move: 11-13 April 2014

    This week’s species on the move discussion highlights some advanced arrivals gleaned from this past weekend’s eBird reports.

    Northern Parula is being reported with greater frequency than the 10-year average for this date in the Great Plains and Upper Midwest and…

  • April 14, 2014Migration Alert, Gulf Coast: 14 April 2014

    As forecast last week, a frontal boundary is approaching the Texas and Louisiana coasts this morning. The map below shows the current conditions in Texas and along the Gulf Coast. Note that barbs and wind flags represent the direction from which…

  • April 11, 2014Regional Migration Forecast: 11-18 April 2014

    Scattered light to moderate movements that begin the weekend give way to much more widespread movements to end the period in the West, while moderate to heavy movements will occur in many areas of the East as low pressure organizes…

  • April 11, 2014Regional Migration Analysis: 4-11 April 2014

    A nice pulse of moderate movements early to midweek in the West contrasted a pattern of late week moderate to locally heavy movements in the East. Species on the move this week included Hooded Merganser, Horned and Red-necked Grebes, Turkey…

  • April 8, 2014Species on the Move: 4-6 April 2014

    Species on the move this week features birds that are catching up on their schedules, exploding on to the scene, and falling out.

    Eastern Phoebes finally began to arrive in large numbers in the Northeast, effectively erasing delays in arrivals experienced…

Scientific Team

BirdCast is made possible by the participating scientists at the below institutions, and many other contributors.