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- Title
Gender Identification of Grasshopper Sparrows Comparing Behavioral, Morphological, and Molecular Techniques.
- Authors
Ammer, Frank K.; Wood, Petra Bohall; McPherson, Roger J.
- Abstract
Correct gender identification in monomorphic species is often difficult especially if males and females do not display obvious behavioral and breeding differences. We compared gender specific morphology and behavior with recently developed DNA techniques for gender identification in the monomorphic Grasshopper Sparrow (Ammodramus savannarum). Gender was ascertained with DNA in 213 individuals using the 2550F/2718R primer set and 3% agarose gel electrophoresis. Field observations using behavior and breeding characteristics to identify gender matched DNA analyses with l00% accuracy for adult males and females. Gender was identified with DNA for all captured juveniles that did not display gender specific traits or behaviors in the field. The molecular techniques used offered a high level of accuracy and may be useful in studies of dispersal mechanisms and winter assemblage composition in monomorphic species.
- Subjects
GRASSHOPPER sparrow; BIRD behavior; ANIMAL morphology; ANIMAL genetics techniques; GEL electrophoresis
- Publication
Wilson Journal of Ornithology, 2008, Vol 120, Issue 1, p221
- ISSN
1559-4491
- Publication type
Article
- DOI
10.1676/07-002.1