Regional Migration Analysis: 1-8 May 2015

Cape May Warbler © Ian Davies

Cape May Warbler © Ian Davies

Continental Summary

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Need a review of our definitions for regions, species on the move, and migration amounts? Please visit this link.

Quick Links to Regions

Upper Midwest and NortheastBirdCast Upper Midwest and Northeast Region Gulf Coast and SoutheastBirdCast Upper Southeast Region
Great Plainsbirdcast_plains West
BirdCast West Region

Upper Midwest and Northeast

Top Movers

[expand title=”Increasing” tag=”h3″]
[table sort=”,desc” tablesorter=”true”]
Species,Increase from Last Week[attr style=”color:green”],% of Checklists Reporting
Baltimore Oriole,256%,40.5
Chestnut-sided Warbler,922%,12
Rose-breasted Grosbeak,213%,23
Magnolia Warbler,1467%,10.2
American Redstart,289%,16.5
Nashville Warbler,251%,14.9
Gray Catbird,166%,50.6
Black-throated Blue Warbler,298%,11.2
Least Flycatcher,597%,7.4
Cape May Warbler,950%,5.4
Veery,366%,8.1
Common Yellowthroat,168%,31.8
Indigo Bunting,233%,15.8
Swainson’s Thrush,657%,7.1
White-crowned Sparrow,206%,14.5
Ovenbird,121%,21.8
Blackburnian Warbler,271%,6.1
Blackpoll Warbler,1070%,4.4
Wood Thrush,115%,21.7
Great Crested Flycatcher,139%,20.2
Eastern Wood-Pewee,430%,5.2
Black-throated Green Warbler,117%,18.6
Warbling Vireo,124%,20.4
Scarlet Tanager,206%,14.2
Tennessee Warbler,344%,6.3
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[expand title=”Decreasing” tag=”h3″]
[table sort=”,asc” tablesorter=”true”]
Species,Decrease from Last Week[attr style=”color:red”],% of Checklists Reporting
Bufflehead,-73%,1.3
Dark-eyed Junco,-67%,2.7
Pied-billed Grebe,-52%,2.1
Rusty Blackbird,-62%,0.9
Horned Grebe,-77%,0.4
Ring-necked Duck,-75%,0.7
Northern Shoveler,-50%,2
Green-winged Teal,-59%,1.4
Blue-winged Teal,-40%,4.4
Bonaparte’s Gull,-55%,1.1
Wilson’s Snipe,-52%,1.2
Lesser Scaup,-57%,1
Ruby-crowned Kinglet,-28%,14.9
Red-breasted Merganser,-43%,2
Hermit Thrush,-29%,6.3
American Coot,-28%,4.2
Red-necked Grebe,-76%,0.1
Purple Finch,-29%,5.8
Ruddy Duck,-42%,1.3
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Wilson's Warbler © Ian Davies

Wilson’s Warbler © Ian Davies

Gulf Coast and Southeast

Top Movers

[expand title=”Increasing” tag=”h3″]
[table sort=”,desc” tablesorter=”true”]
Species,Increase from Last Week[attr style=”color:green”],% of Checklists Reporting
Wilson’s Warbler,124%,2.6
Mourning Warbler,250%,0.7
Willow Flycatcher,134%,0.7
Olive-sided Flycatcher,203%,1.1
Mississippi Kite,24%,5.9
American Redstart,30%,15.5
Hepatic Tanager,87%,0.4
Magnificent Frigatebird,58%,2.6
Semipalmated Sandpiper,18%,4
Alder Flycatcher,210%,0.2
Canada Warbler,26%,2
Cordilleran Flycatcher,92%,0.2
Scott’s Oriole,26%,1
Eastern Wood-Pewee,20%,10
Black-headed Grosbeak,35%,0.7
Western Wood-Pewee,41%,0.4
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[expand title=”Decreasing” tag=”h3″]
[table sort=”,asc” tablesorter=”true”]
Species,Decrease from Last Week[attr style=”color:red”],% of Checklists Reporting
White-throated Sparrow,-77%,2.4
Ruby-crowned Kinglet,-73%,1.2
Yellow-rumped Warbler,-57%,5.4
Blue-winged Warbler,-83%,0.3
Rose-breasted Grosbeak,-55%,6.5
Nashville Warbler,-49%,2.1
Baltimore Oriole,-40%,4.8
White-crowned Sparrow,-52%,2.1
Scarlet Tanager,-48%,6.1
Swamp Sparrow,-73%,0.4
Veery,-59%,1.8
Palm Warbler,-37%,5
Sora,-68%,0.5
Gray-cheeked Thrush,-61%,1.7
Gray Catbird,-32%,16
Hooded Warbler,-37%,4.8
Blue-winged Teal,-34%,5.9
Broad-winged Hawk,-49%,1.8
Pine Siskin,-41%,3.4
Worm-eating Warbler,-50%,1.6
Swainson’s Hawk,-53%,1.1
Franklin’s Gull,-79%,0.2
Black-and-white Warbler,-27%,11.5
Black-throated Green Warbler,-27%,5.7
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Ovenbird © Ian Davies

Ovenbird © Ian Davies

Great Plains

Top Movers

[expand title=”Increasing” tag=”h3″]
[table sort=”,desc” tablesorter=”true”]
Species,Increase from Last Week[attr style=”color:green”],% of Checklists Reporting
Rose-breasted Grosbeak,363%,13.6
Least Flycatcher,226%,17.9
Tennessee Warbler,264%,12.4
Gray Catbird,202%,16.7
Yellow Warbler,136%,27.6
Swainson’s Thrush,141%,24.4
Orchard Oriole,165%,12.4
Baltimore Oriole,79%,32.7
Nashville Warbler,141%,14.1
Ovenbird,384%,4
Clay-colored Sparrow,76%,16.7
Indigo Bunting,97%,17.9
Wilson’s Warbler,336%,3.9
Mississippi Kite,155%,6.1
Black-and-white Warbler,97%,10.6
Blue-headed Vireo,177%,4.6
Yellow-billed Cuckoo,252%,3.5
Eastern Wood-Pewee,130%,5.2
Red-eyed Vireo,67%,15.2
Northern Waterthrush,182%,4.5
Dickcissel,44%,10.6
Warbling Vireo,44%,18.3
Red-headed Woodpecker,53%,12.6
Bobolink,243%,2.3
Summer Tanager,53%,11.6
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[expand title=”Decreasing” tag=”h3″]
[table sort=”,asc” tablesorter=”true”]
Species,Decrease from Last Week[attr style=”color:red”],% of Checklists Reporting
Horned Grebe,-85%,0.3
Pied-billed Grebe,-48%,5.6
Greater Yellowlegs,-51%,3.7
Green-winged Teal,-43%,4.6
Franklin’s Gull,-32%,6.1
Hermit Thrush,-76%,0.3
Marbled Godwit,-43%,2.6
Osprey,-42%,2.1
Snow Goose,-66%,0.6
Blue-winged Teal,-15%,30.1
Ring-necked Duck,-41%,2.1
American Wigeon,-23%,6.4
Wilson’s Snipe,-40%,1.7
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Bank Swallow © Ian Davies

Bank Swallow © Ian Davies

West

Top Movers

[expand title=”Increasing” tag=”h3″]
[table sort=”,desc” tablesorter=”true”]
Species,Increase from Last Week[attr style=”color:green”],% of Checklists Reporting
Western Wood-Pewee,93%,7
Swainson’s Thrush,94%,3.5
Yellow Warbler,34%,18.2
Western Tanager,37%,12.9
Black-headed Grosbeak,30%,19.7
Bullock’s Oriole,32%,13.3
Bank Swallow,132%,3.3
Evening Grosbeak,38%,5.2
Olive-sided Flycatcher,43%,3
Cliff Swallow,44%,16.6
Barn Swallow,32%,25.4
Spotted Sandpiper,29%,8.7
Northern Rough-winged Swallow,47%,14.5
MacGillivray’s Warbler,37%,3.1
Vaux’s Swift,126%,4.1
Yellow-breasted Chat,37%,4.5
Warbling Vireo,26%,11.3
Northern Waterthrush,184%,0.6
Violet-green Swallow,28%,18
Brown-headed Cowbird,20%,20.8
Forster’s Tern,29%,4
Lazuli Bunting,24%,8
Wilson’s Warbler,16%,19.2
Dusky Flycatcher,34%,1.9
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[expand title=”Decreasing” tag=”h3″]
[table sort=”,asc” tablesorter=”true”]
Species,Decrease from Last Week[attr style=”color:red”],% of Checklists Reporting
Least Sandpiper,-43%,3.4
Western Sandpiper,-44%,2.3
Greater Yellowlegs,-43%,2.3
Golden-crowned Sparrow,-44%,2.7
Green-winged Teal,-38%,4
Dunlin,-45%,1.7
Semipalmated Plover,-44%,1.7
Horned Grebe,-55%,0.6
Greater White-fronted Goose,-53%,0.7
Nashville Warbler,-35%,1.4
Ruby-crowned Kinglet,-29%,4.4
Bufflehead,-31%,4.1
Lesser Yellowlegs,-40%,0.8
Ring-necked Duck,-31%,2.8
Solitary Sandpiper,-45%,0.6
American Pipit,-39%,0.7
Dusky-capped Flycatcher,-39%,0.7
American Wigeon,-23%,4.5
Cackling Goose,-52%,0.4
Black Turnstone,-54%,0.3
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Farnsworth and Van Doren

Scientific Team

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