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Nest-site fidelity and breeding dispersal by Common Tailorbirds in a tropical forest

Avian Research 2019年第4期10卷 441-446页

作者： Changzhang Feng Canchao Yang Wei Liang Ministry of Education Key Laboratory for Ecology of Tropical Islands College of Life Sciences Hainan Normal University

Background:Information pertaining to nest-site fidelity and breeding dispersal over successive years can help to better our understanding of how birds respond to nest ***:By using mist nets and tracking the color banded individuals,we investigated nest-site fidelity and breeding dispersal by Common Tailorbirds(Orthotomus sutorius)throughout a year and between successive years in 2017–***:The present study showed that Common Tailorbirds could produce up to four clutches per breeding *** multiple broods were produced within a year,breeding pairs remained together,and the nest rebuilding rate was up to 92.2%,with only four cases(7.8%)in which birds reused their old *** dispersal distance between the nests during multiple breeding was found to be 10.0±10.5 m,and nest-site fidelity within the same year was 90.0%.By the second year of breeding,76.2%of individuals remained in the original breeding pairs,while for those that did switch partners,the females remained in the nest from the previous year and paired with new *** dispersal distance between years was 26.5±41.9 m,and nest-site fidelity between different years was 80.1%.There was no significant difference between within-year and between-year dispersal ***,there was no significant difference in the dispersal distance of rebuilt nests between birds that had experienced nest predation and those that had ***:Our findings suggest that Common Tailorbirds maintain a high degree of fidelity to mates and nestsites,and nest predation had no significant effect on territorial changes or breeding dispersal distance between each breeding attempt.

关键词： Nest predation Nest-site fidelity multiple breeding Mate change Tropical birds

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