Reliability of the Brownish-flanked Bush Warbler’s soft song in male-male conflict

• 作 者: Canwei Xia Boye Liu Daiping Wa
• 机 构: MinistryofEducationKeyLaboratoryforBiodiversityandEcologicalEngineering,DivisionofBiologyandConserva
• 出 处: 中国鸟类：英文版
• 发表日期: 2015年2期
• 关键词: Aggressive signal Brownish-flanked BUSH Warbler Cost Reliability SOFT SONG Aggre
• 基金项目: supported by National Natural Science Foundation of China (No.31172098),the China Postdoctoral Science Foundation (No.2014 M550026)

Background: Soft song is a low-amplitude song produced by many birds. Recent studies have confirmed that soft song is an aggressive signal. For example, the Brownish-flanked Bush Warblers Cettia fortipes use soft song in male-male conflicts, particularly