- Established 1982 -

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Chart #2:
SPECIES with more than 400

(28 Jun 1982 thru 31 Dec 2013)

All text, charts, and data © Hilton Pond Center

From 28 June 1982 through 31 Dec 2013 at Hilton Pond Center for Piedmont Natural History, 59,682 individuals and 126 species of birds have been banded. Of these, more than 400 individuals were banded for each of the top 24 species (above).

The 9,339 House Finches (Carpodacus mexicanus) and 8,039 Purple Finches (C. purpureus) made them among the most common species. American Goldfinches (Carduelis tristis) come in second at 8,985.

Pine Siskins (C. pinus) were regular in the middle- and late-1980's but dropped off drastically, with only 16 banded in 14 winters from 1994-95 through 2007-08. There was finally another incursion of 224 in the winter of 2008-09 and then an all-time high of 663 in the winter of 2010-11. (Siskins are highly irruptive in the Southeast, so it is difficult to determine what these fluctuating numbers might mean.)

Nonetheless, through December 2013 these four "winter finches" together made up nearly half of all birds banded (28,870 or 48.37%); the highest level for these four species was on 12 April 1993 when they made up 48.53% of all birds that had been banded at the Center.

The most common non-finches have been 4,837 Ruby-throated Hummingbirds (Archilochus colubris) that are a primary focus for summer bird research at Hilton Pond Center.

The top nine species (more than 1,000 bandings each) made up 70.83% of all bandings (n = 42,392).

Of the 126 species banded at the Center 61 have been encountered again as later-year returns, demonstrating site fidelity.

All text, charts, and data © Hilton Pond Center

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Hilton Pond Center for Piedmont Natural History is a non-profit research & education organization in York, South Carolina USA; phone (803) 684-5852. Directed by Bill Hilton Jr., aka The Piedmont Naturalist, it is the parent organization for Operation RubyThroat. Contents of this website--including articles and photos--may NOT be duplicated, modified, or used in any way except with the express written permission of Hilton Pond Center. All rights reserved worldwide. To obtain permission for use or for further assistance on accessing this Web site, contact the Webmaster.