A Comparison of Wing Shape between Migratory and Sedentary Dark-Eyed Juncos (Junco hyemalis)

We evaluated a steeper gradient of migratory effort by comparing the wing shape of adult male juncos from migratory populations (J. h. hyemalis ) with that of adult male juncos from largely sedentary Appalachian populations (J. h. carolinensis ). The specific objectives of this comparison were to de...

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Bibliographic Details
Published in:The Condor (Los Angeles, Calif.) Calif.), 1991-02, Vol.93 (1), p.172-175
Main Authors: Mulvihill, Robert S., Chandler, C. Ray
Format: Article
Language:English
Subjects:
Animal migration behavior
Animal wings
Aves
Biological and medical sciences
Birds
Discriminant analysis
Fundamental and applied biological sciences. Psychology
Junco hyemalis carolinensis
Junco hyemalis hyemalis
Population migration
Short Communications
Vertebrates: general zoology, morphology, phylogeny, systematics, cytogenetics, geographical distribution
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Summary:We evaluated a steeper gradient of migratory effort by comparing the wing shape of adult male juncos from migratory populations (J. h. hyemalis ) with that of adult male juncos from largely sedentary Appalachian populations (J. h. carolinensis ). The specific objectives of this comparison were to determine whether migratory and sedentary juncos differ in wing shape and, if so, whether these differences support the generalization that migrants have longer, more pointed wings.
ISSN:0010-5422
1938-5129
DOI:10.2307/1368620