Memorial Day Weekend
HUMMINGBIRD RECAPTURE RATES
from the Rudeen Ranch, Power County, Idaho

Three main species only (not including hybrids or rarities)
and only for those birds originally banded on Memorial Day Weekend

"After Second Year" RECAPTURE RATES
During Memorial Day Weekend Banding sessions

Species 2004 Recapture Rates
First banded in 2003
Overall: 28.2%		 2005 Recapture Rates
First banded in 2004
Overall: 47.3%		 2006 Recapture Rates
First banded in 2005
Overall: 28.9%		 2007 Recapture Rates
First banded in 2006
Overall: 26.9%
Total M F Total M F Total M F Total M F
Calliope 27.8% 32.9% 24.5% 47.7% 44.4% 50.5% 28.2% 24.3% 31.0% 27.1% 26.8% 27.4%
Broad-tailed 36.4% 66.7% 15.4% 41.7% 33.3% 44.4% 32.4% 26.1% 42.9% 29.6% 33.3% 25.0%
Black-chinned 18.2% 28.6% 0% 50.0% 40.0% 57.1% 33.3% 33.3% 33.3% 11.1% 16.7% 0%

"After Third Year" RECAPTURE RATES
During Memorial Day Weekend Banding sessions

Species 2005 Recapture Rates
First banded in 2003
Overall: 25.4%		 2006 Recapture Rates
First banded in 2004
Overall: 19.6%		 2007 Recapture Rates
First banded in 2005
Overall: 17.1%
Total M F Total M F Total M F
Calliope 25.0% 27.1% 23.6% 19.9% 17.3% 22.1% 17.1% 8.4% 23.4%
Broad-tailed 27.3% 44.4% 15.4% 20.8% 0% 27.8% 18.9% 8.7% 25.7%
Black-chinned 27.3% 28.6% 25.0% 16.7% 20.0% 14.3% 13.3% 16.7% 0%

"After Fourth Year" RECAPTURE RATES
During Memorial Day Weekend Banding sessions

Species 2006 Recapture Rates
First banded in 2003
Overall: 14.4%		 2007 Recapture Rates
First banded in 2004
Overall: 12.9%
Total M F Total M F
Calliope 14.2% 10.0% 17.0% 11.9% 8.6% 14.7%
Broad-tailed 13.6% 11.1% 15.4% 12.5% 0% 16.7%
Black-chinned 18.2% 14.3% 25.0% 20.8% 20.0% 21.4%

"After Fifth Year" RECAPTURE RATES
During Memorial Day Weekend Banding sessions

Species 2007 Recapture Rates
First banded in 2003
Overall: 7.7%
Total M F
Calliope 8.0% 5.7% 9.4%
Broad-tailed 4.5% 0% 7.7%
Black-chinned 9.1% 14.3% 0%

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