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: 27 March – 3 April 2015

Friday and Monday nights will be the most extensive of the light to moderate movements that occur in the West this week featuring Cassin's Vireo, Tree Swallow, Orange-crowned Warbler, Common Yellowthroat, Black-throated Gray Warbler, White-crowned Sparrow, while several pulses of more extensive light to moderate movements grace the East from Saturday through Wednesday featuring Double-crested Cormorant, Osprey, Pectoral Sandpiper, Baird's Sandpiper, Eastern Phoebe, Yellow-throated Vireo, Hooded Warbler, and Fox Sparrow.

Regional Migration Analysis: 20-27 March 2015

While the West saw early and late forecast period light to moderate movements along the Pacific Coast and in the Desert Southwest including Broad-tailed Hummingbird, Orange-crowned Warbler, Black-headed Grosbeak, and Bullock’s Oriole, scattered light to moderate movements peaking on Tuesday and Wednesday nights including Greater White-fronted Goose, Blue-winged Teal, Barn Swallow, Brown Thrasher, Lapland Longspur, Vesper Sparrow, and Chipping Sparrow increased in the East.

Regional Migration Forecast: 20-27 March 2015

Most of the movement in the West this period occur this weekend and early in the week, with light to moderate movements that will see increasing arrivals of Osprey, Rufous Hummingbird, Bell's Vireo, and Hooded Oriole, while the East will experience the greatest intensity and extent of moderate movements from Monday through Thursday with increasing arrivals of Great Blue Heron, Great Egret, American Golden-Plover, Belted Kingfisher, Louisiana Waterthrush, and Song Sparrow.

Regional Migration Analysis: 13-20 March 2015

Light to moderate migration, primarily in California and the Desert Southwest early in the period, brought increasing numbers of Bell's Vireo, Lucy's Warbler, Yellow Warbler, and Bullock's Oriole to the West, while slightly more extensive light to moderate movements on Sunday and Monday nights, including Blue-winged Teal, Eastern Phoebe, Blue-headed Vireo, Tree Swallow, and Pine Warbler among other migrants, highlighted the period in the East.

Regional Migration Forecast: 13-20 March 2015

Continental Summary Weekend birders can look forward to widespread light to moderate movements across the West, while Monday through Wednesday brings similarly widespread light to moderate flights in the East. Species on the move this week will include Blue-winged Teal, Turkey Vulture, Eastern Phoebe, Western Kingbird, Scissor-tailed Flycatcher, Tree Swallow, Lucy’s Warbler, and Hooded Warbler. Arrows show […]

Regional Migration Analysis: 6-13 March 2015

Continental Summary In light to moderate migration Mountain Bluebird, Hooded Oriole, Barn Swallow, and Lucy’s Warbler were on the move last weekend in the West, while Wood Duck, Killdeer, American Woodcock, and Northern Parula composed mid to late week flights in the East. West Light to moderate movements were the norm across the Desert Southwest and California to […]

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