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Home ยป Lack of Differential Migration in Juvenile Merlins and Northern Harriers during Fall Migration in the Florida Keys
Lack of Differential Migration in Juvenile Merlins and Northern Harriers during Fall Migration in the Florida Keys
Publication Type: | Journal Article |
Year of Publication: | 2009 |
Authors: | Wittenberg, SRess, Smith, KG |
Journal: | The Wilson Journal of Ornithology |
Volume: | 121 |
Issue: | 4 |
Date Published: | 2009 |
ISBN Number: | 15594491 |
Keywords: | Accipitridae, Aesalon, Aesalon columbarius, Circus, Circus cyaneus, Circus hudsonius, Falco, Falco columbarius, Falconidae, Florida |
Abstract: | We used hydrogen stable isotopes in feathers collected from 1998 through 2003 to examine if there was differential migration of juvenile Merlins (Falco columbarius) and Northern Harriers (Circus cyaneus) through the Florida Keys, USA in fall. We examined differences by gender, population, and intraseason variation for 120 Merlins and 60 harriers. We found no difference in $\delta \text{D}_{\text{f}}$ values among years, and between genders, and dates of capture for either species. |
URL: | http://www.jstor.org/stable/20617001 |
Short Title: | The Wilson Journal of Ornithology |
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Ed Baker,
Katherine Bouton
Alice Heaton
Dimitris Koureas,
Laurence Livermore,
Dave Roberts,
Simon Rycroft,
Ben Scott,
Vince Smith