Swamp Sparrow ( Bruant des marais ) |
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Melospiza georgiana | |||||||||||
General NotesThe North American population of this species has increased by 81% in the forty years spanning 1966 to 2006, according to a recent analysis of Breeding Bird Survey records conducted by National Audubon Society scientists. Though there is always some inherent variability in the source data, there is a sufficient data for this species to be able to quantify the change in population with a high level of statistical confidence. |
Abundance: | Common | Earliest observed date: |
Typical arrival date: |
April 23 | |
Breeding Status: | Breeding | Latest observed date: |
Typical departure date: |
October 2 |
Banding Results |
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Year |
Gillies
|
Hilliardton
|
Mountain
|
Year
|
1996 | 11 | 11 | ||
1997 | 17 | 17 | ||
1998 | 1 | 39 | 40 | |
1999 | 62 | 62 | ||
2000 | 69 | 1 | 70 | |
2001 | 119 | 2 | 121 | |
2002 | 160 | 2 | 162 | |
2003 | 53 | 53 | ||
2004 | 61 | 6 | 67 | |
2005 | 37 | 37 | ||
2006 | 57 | 57 | ||
2007 | 95 | 95 | ||
2008 | ||||
2009 |