Wednesday, May 4, 2011

April Bird Banding

The first photo is a rather regal Golden-crowned Kinglet.  The second is of a Downy Woodpecker.  Banding during April 2011 proceeded slowly, with a sudden spike of migrants on the last day of the month.

American Goldfinch 13
Black-capped Chickadee 5
Brown Creeper 14
Dark-eyed Junco 9
Downy Woodpecker 1
Eastern Phoebe 5
Golden-crowned Kinglet 3
Hermit Thrush 10
Northern Cardinal 1
Oregon Junco 1
Pine Siskin 2
Purple Finch 1
Ruby-crowned Kinglet 6
Song Sparrow3
Swamp Sparrow 1
White-breasted Nuthatch 1
White-throated Sparrow 1
Winter Wren 1
Yellow-rumped Warbler 8

The most interesting of the recaptures listed below are a 5-year old Black-capped Chickadee and a 2-year old Eastern Phoebe.  The national longevity record a chickadee is 12 years, 5 months (http://www.pwrc.usgs.gov/BBL/homepage/longvlst.htm). Two Minnesota banded chickadees have been recovered after nine years (Bird Banding Lab data).

Recaptures:
American Robin banded 24 October 2010 recaptured 7 April 2011
Black-capped Chickadee banded 26 October 2009 recaptured 11 April 2011
Black-capped Chickadee banded 11 April 2009 recaptured 18 April 2011
Black-capped Chickadee banded 27 October 2006 recaptured 21 April 2011
Black-capped Chickadee banded 20 July 2010 recaptured 25 April 2011
Black-capped Chickadee banded 28 June 2010 recaptured 29 April 2011
Downy Woodpecker banded 5 September 2010 recaptured 1 April 2011
Downy Woodpecker banded 5 October 2010 recaptured 1 April 2011
Eastern Phoebe banded 15 April 2009 recaptured 21 April 2009
Song Sparrow banded 22 April 2011 recaptured 29 April 2011
Song Sparrow banded 8 April 2010 recaptured 15 April 2011
White-breasted Nuthatch banded 15 October 2010 recaptured 9 April 2011

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