Immigrant song: males and females learn songs after dispersal in a tropical bird

Brendan A Graham, Daniel D Heath, Ryan P Walter and Daniel J Mennill

Behavioral Ecology, 2018, vol. 29, issue 3, 711-723

Abstract: Does immigration influence acoustic variation in male and female tropical songbirds? The influence of immigration has been studied in males, but not previously in females. We identified first-generation migrants in 3 populations of Rufous-and-white Wrens in Costa Rica. We found that songs of both sexes of first-generation migrants match the songs of their breeding population. We conclude that song learning in first-generation migrants must be influenced by birds in their breeding population, following postnatal dispersal.

Keywords: dispersal; immigration; Rufous-and-white Wren; song learning; Thryophilus rufalbus; Thryothorus rufalbus (search for similar items in EconPapers)
Date: 2018
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