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Age-related dominance in male dark-eyed juncos: effects of plumage and prior residence

Citation

Holberton, Rebecca L, Hanano, Ralph, and Able, Kenneth P, Age-related dominance in male dark-eyed juncos: effects of plumage and prior residence: .

Summary

Age-related differences in dominance ability and the effect of prior residence on age-related dominance were investigated in captive male dark-eyed juncos, Junco hyemalis. To determine if adults and first-winter birdsnext term differed in their intrinsic dominance ability, pairs of adult and first-winter previous termbirdsnext term of equal body size and winning experience were established. Because plumage influences status, young previous termbirdsnext term were experimentally darkened to match their older cage-mates. Adult and first-winter males became dominant with equal frequency. Because of this result and the fact that adults are usually dominant in the field, the effect of prior residence on age-related dominance was also investigated. [...]

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  • Upper Colorado River Basin

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From Source - Mendeley RIS Export <br> On - Wed Sep 19 08:12:57 MDT 2012

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Title Citation Age-related dominance in male dark-eyed juncos: effects of plumage and prior residence

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