8/06/2009

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Fall Migration Monitoring Underway

Fall migration monitoring has officially begun! On our first day back, we caught 20 birds: 18 new and 2 recaptures. Most of the birds we captured nested at TTP this summer, including some very cute and fluffy youngsters. We were excited to catch two hatch-year Downy Woodpeckers, a species we don’t often get in our nets. Downies are uncommon nesters at TTP, but no nests were found this summer. Downies are not considered migratory, but will disperse long distances.

Our first true migrant of the season was the Swainson’s Thrush, which was not detected all summer at TTP. This individual was in the process of molting its flight feathers, which Swainson’s will do during the first leg of migration. The Yellow Warblers we caught are filling up with fat, the fuel they will use to make the long flight south. It is official: birds are on the move!

Here are the totals for August 5:

Banded

Downy Woodpecker – 2
Black-capped Chickadee – 1
Swainson’s Thrush – 1
American Robin – 1
Gray Catbird – 1
Cedar Waxwing – 2
Warbling Vireo – 2
Yellow Warbler – 2
Song Sparrow – 4

Recaptured

Warbling Vireo – 1
Yellow Warbler - 1