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Here we documented up-to-date information on breeding ecology of Buffy Laughingthrush (Garrulax berthemyi), an endemic species of China, and a sympatric coordinal Red-tailed Laughingthrush (Trochalopteron milnei), in southwestern China. Furthermore, we compared breeding ecology of these two sympatric species. No significant differences were found in clutch size, egg size, nest size, nest height, nest habitat and predation rate between these two species except nests depth, nests cover and eggs color. The Red-tailed Laughingthrush nestlings differed from those of the Buffy Laughingthrush in gape morphology and the extent of down. Observation of breeding behavior showed that cooperative breeding might exist in the population of Buffy Laughingthrush.


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Breeding ecology of two sympatric laughingthrushes (Trochalopteron milnei and Garrulax berthemyi) in southwestern China

Show Author's information Canchao Yang1( )Xiaogang Yao1,2Yan Cai1Guangrong Li1,2Wei Liang1( )
Ministry of Education Key Laboratory for Ecology of Tropical Islands, Key Laboratory of Tropical Animal and Plant Ecology of Hainan Province, College of Life Sciences, Hainan Normal University, Haikou, 571158, China
Kuankuoshui National Nature Reserve, Suiyang, 563300, China

Abstract

Here we documented up-to-date information on breeding ecology of Buffy Laughingthrush (Garrulax berthemyi), an endemic species of China, and a sympatric coordinal Red-tailed Laughingthrush (Trochalopteron milnei), in southwestern China. Furthermore, we compared breeding ecology of these two sympatric species. No significant differences were found in clutch size, egg size, nest size, nest height, nest habitat and predation rate between these two species except nests depth, nests cover and eggs color. The Red-tailed Laughingthrush nestlings differed from those of the Buffy Laughingthrush in gape morphology and the extent of down. Observation of breeding behavior showed that cooperative breeding might exist in the population of Buffy Laughingthrush.

Keywords: Breeding density, Reproduction, Cooperative breeding, Predation rate

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DOI

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Publication history

Received: 02 November 2021
Accepted: 02 January 2022
Published: 24 March 2022
Issue date: June 2022

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© 2022 The Authors.

Acknowledgements

Acknowledgements

We thank the Forestry Department of Guizhou Province and Kuankuoshui National Nature Reserves for support and permission to carry out this study. Financial support has been provided by Hainan Provincial Natural Science Foundation of China (320CXTD437 and 2019RC189 to CY), and Hainan Provincial Innovative Research Program for Graduates (Hyb2021-7 to XY) National Natural Science Foundation of China (No. 31672303 to CY and No. 31970427 to WL).

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This is an open access article under the CC BY-NC-ND license (http://creativecommons.org/licenses/by-nc-nd/4.0/).

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