Song behavior and reproductive strategies in a duetting wren, Thryothorus nigricapillus: I. Removal experiments
Article Abstract:
Male and female wrens vary in their songs' function, and mate acquisition and assessment strategies. Unpaired males attract females by singing and use participation in duets to assess new mates. However, the use of duetting by established pairs is unclear. The female mating status fails to alter their song rates. Territory residency and songs influence mate acquisition more in males than in females. The birds' song phrase repertoires remains unchanged with a new mate and this ability remains unaltered by learning.
Publication Name: Animal Behaviour
Subject: Zoology and wildlife conservation
ISSN: 0003-3472
Year: 1996
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Song behavior and reproductive strategies in a duetting wren, Thryothorus nigricapillus: II. Playback experiments
Article Abstract:
Male and female duetting wrens differ in their responses to playback of male versus female songs, with the mating status affecting the responses of only males. Only male wrens produce duets. Female songs are used in intrasexual aggression, regardless of whether they are paired or unpaired. This may occur in the context of territory defence or mate guarding, or both. However, male songs function primarily for acoustic guarding of their mates from other males.
Publication Name: Animal Behaviour
Subject: Zoology and wildlife conservation
ISSN: 0003-3472
Year: 1996
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Duet song and sex roles during territory defense in a tropical bird, the black-bellied wren, Thryothorus fasciatoventris
Article Abstract:
A simple optimality model that predicts the conditions under which intersexual territorial defense is most likely to occur is presented. Male solo song and female solo song playback as well as a novel method called 'stereo duet playback' are used to test the predictions of the model and to explore the function of song initiation and song answering during territorial passerine.
Publication Name: Animal Behaviour
Subject: Zoology and wildlife conservation
ISSN: 0003-3472
Year: 2004
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