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Showing 1 to 6 of 6 for “"white-throated sparrow"”.

  1. Hormonal Mediation of a Unique Behavioral Polymorphism in the White-throated Sparrow (Zonotrichia albicollis)

    Swett, Meredith Bettencourt

    … between mating effort and parental care in the White-throated Sparrow. This species exhibits a behavioral polymorphism that occurs in both sexes. White-striped (WS) morphs are more territorially aggressive, sing more frequently and seek more extra-pair copulations. Tan-striped (TS) morphs …

    montana-tech Repository record

  2. Hormonal Mediation of a Unique Behavioral Polymorphism in the White-throated Sparrow (Zonotrichia albicollis)

    Swett, Meredith Bettencourt

    … between mating effort and parental care in the White-throated Sparrow. This species exhibits a behavioral polymorphism that occurs in both sexes. White-striped (WS) morphs are more territorially aggressive, sing more frequently and seek more extra-pair copulations. Tan-striped (TS) morphs …

    montana Repository record

  3. Effect of Temperature and Exercise on Body Weight and Energy Intake of the White-Throated Sparrow, Zonotrichia Albicollis

    Kontogiannis, John EvangelosUniversity of Illinois at Urbana-Champaign2014

    Made available in DSpace on 2014-12-10T18:13:26Z (GMT). No. of bitstreams: 1 6511811.pdf: 2208161 bytes, checksum: 79f8d6ba433d7642bfc695d81c38d187 (MD5) Previous issue date: 1965

    uiuc Repository record

  4. Variation In Habitat Thresholds: An Analysis Of Minimum Habitat Requirements Of North American Breeding Birds

    van der Hoek, YntzeThe Graduate School and University Center of The City University of New York2001

    … cover within species across regions (results for White-throated Sparrow (Zonotrichia albicollis)). I found no universal trend in this variation, although a few species showed a significant increase in threshold amounts with increasing forest cover in the landscape. In Chapter IV, I show that it is …

    cuny-grad Repository record

  5. Wintering white-throated sparrows (Zonotrichia albicollis): home ranges, aggression and corticosterone

    Buschow, Marissa AnnEastern Kentucky University

    <p>White-throated sparrows (Zonotrichia albicollis) are songbirds that spend the non-breeding season in southeastern North America, where they form philopatric territorial flocks. Flocks exhibit dominance hierarchies, with dominance rank associated with an individual's age and prior residence in …

    eku Repository record

  6. IMPACTS OF BLOODBORNE PATHOGEN INFECTIONS ON BREEDING ECOLOGY AND SUCCESS IN WHITE-THROATED SPARROWS (Zonotrichia albicollis)

    Weisbeck, Rachel2026

    … based on the role of the infected parent. White-throated Sparrows are a polymorphic species that mate disassortatively and display alternative reproductive strategies associated with color morph. White-striped birds are more aggressive, more promiscuous, and less parental than their tan- …

    nmu Repository record