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Article
Wan-Chun Liu, Auteur ; Donald E. Kroodsma, Auteur ; K. Yasukawa, AuteurAbstract Songbirds typically have small-to-large repertoires of different song types used in complex patterns over a day or season, but what remains poorly understood are patterns of song use by songbirds that have a single, simple song. Here, o[...]
Article
Jennifer R. Foote, Auteur ; Colleen A. Barber, Auteur ; K. Yasukawa, AuteurAbstract Using shared songs is believed to be an integral part of neighbor communication and territory establishment strategies among many avian species with repertoires. Previous studies of two western subspecies of Song Sparrows (Melospiza mel[...]
Article
Morton L. Isler, Auteur ; Phyllis R. Isler, Auteur ; Bret M. Whitney, Auteur ; K. Yasukawa, AuteurAbstract Six populations of Warbling Antbird (Hypocnemis cantator) currently considered subspecies are more appropriately recognized as species, given the multiplicity of vocal differences that distinguishes them. These vocal differences are as [...]
Article
N. Burton, Auteur ; K. Yasukawa, AuteurMale Red-winged Blackbirds (Agelaius phoeniceus) are known to give alarm calls in response to the approach of a predator, and to encode information about the level of threat in their calling behavior. To determine whether such sentinel males ale[...]
Article
K. J. McGraw, Auteur ; K. Wakamatsu, Auteur ; A. B. Clark, Auteur ; K. Yasukawa, AuteurOver the past three decades, the red-winged blackbird Agelaius phoeniceus has served as a model species for studies of sexual selection and the evolution of ornamental traits. Particular attention has been paid to the role of the colorful red-an[...]
Article
Carlos A. Botero, Auteur ; Sandra L. Vehrencamp, Auteur ; K. Yasukawa, AuteurAbstract Despite their large vocal repertoires and otherwise highly versatile singing style, male mockingbirds (Mimus spp.) sometimes sing in a highly repetitive fashion. We conducted a playback experiment to determine the possible signal value [...]
Article
Kelly A. Squires, Auteur ; Kathy Martin, Auteur ; R. Ian Goudie, Auteur ; K. Yasukawa, AuteurAbstract Males of several avian species are more vigilant than their female partners, particularly during the preincubation period. Male vigilance may function as a deterrent of extrapair copulation attempts (EPCs) or to ensure male survival, be[...]
