High-throughput sequencing reveals dietary segregation in Malaysian babblers

作     者：Mohammad Saiful Mansor Fasihah Zarifah Rozali Sian Davies Shukor Md Nor Rosli Ramli Mohammad Saiful Mansor;Fasihah Zarifah Rozali;Sian Davies;Shukor Md Nor;Rosli Ramli

作者机构：Department of Biological Sciences and BiotechnologyFaculty of Science and TechnologyUniversiti Kebangsaan Malaysia43600 BangiSelangorMalaysia School of Biological SciencesUniversiti Sains Malaysia11800 USM PenangMalaysia Micropathology LtdUniversity of Warwick Science ParkCoventryCV47EZUK Institute of Biological SciencesFaculty of ScienceUniversity of Malaya50603 Kuala LumpurMalaysia 

出 版 物：《Current Zoology》 (动物学报（英文版）)

年 卷 期：2022年第68卷第4期

页      面：381-389页

核心收录：

学科分类：0710[理学-生物学] 07[理学] 071002[理学-动物学] 

基　　金：funded by the Fundamental Research Grant Scheme(FRGS) Ministry of Higher Education Malaysia under grant FRGS/1/2020/STG03/UKM/02/5 

主　　题：coexistence dietary partitioning metabarcoding next-generation sequencing tropical insectivorous birds 

摘      要：The coexistence of numerous species within a community results from how those species use available *** are one of the major groups of Malaysian insectivorous birds,which frequently forage in dense vegetation cover and have a high level of ***,examining the diet,prey selection,and niche segregation of babblers can be *** this study,we used high-throughput sequencing to investigate potential dietary overlap or segregation among 10 babbler species of the 4 genera of the family Pellorneidae and Timaliidae:Pellorneum,Malacopteron,Stachyris,and Cyanoderma in central peninsular *** tested the hypothesis that trophically similar species may differ in resource use to avoid competitive *** identified 81 distinct arthropod taxa from fecal samples,belonging to 71 families representing 13 orders,which were predominantly from 16 dipteran,13 lepidopteran,and 10 coleopteran *** all the prey taxa consumed,45%were found to be distinct across the 10 babbler species,and35%were shared simultaneously by≥3 babbler species,indicating minimal dietary *** black-throated babbler Stachyris nigricollis and moustached babbler Malacopteron magnirostre had the most generalist tendencies because they consumed a greater variety of prey *** dietary overlap values(Ojk)and a relatively wide range of food resources suggest that dietary segregation occurred among the studied *** great diversity of prey consumed revealed the presence of dietary flexibility among the sympatric insectivorous birds,thus reducing any active dietary competition and facilitating the coexistence through niche partitioning.