Chart 4:
AGE/SEX RATIOS among
RUBY-THROATED HUMMINGBIRD
RETURNS

# of Returns
.

# Banded
1984-2005

Banded as

% Returns

52

of

415

Adult (AHY)
Male

12.5%

104

of

562

Adult (AHY)
Female

18.5%

92

of

1,361

Young (HY)
Male

6.8%

129

of

908

Young (HY)
Female

14.2%

377
 of

3,246

ALL

11.6%

All text, data, and graphics © Operation RubyThroat
CHART 4: Of the 3,246 Ruby-throated Hummingbirds banded at Hilton Pond Center for Piedmont Natural History near York, South Carolina USA prior to 2006 season (1984 through 2005), 377 individuals returned in at least one later year--a high site fidelity rate of 11.6%. Different age and sex classes showed very different return rates. In particular, young males showed a much lower return rate than any other age/sex class.

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Return to Chart 3; on to Chart 5.

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