The vocalization of the red junglefowl is a signal of body size and individual health  

作　　者：郝佩佩 赵凯 黄希 饶晓东 梁伟 张雁云 Peipei Hao;Kai Zhao;Xi Huang;Xiaodong Rao;Wei Liang;Yanyun Zhang(Ministry of Education Key Laboratory for Biodiversity and Ecological Engineering,College of Life Sciences,Beijing Normal University,Beijing 100875,China;College of Forestry/Wuzhishan National Long Term Forest Ecosystem Monitoring Research Station,Hainan University,Haikou 570228,China;Ministry of Education Key Laboratory for Ecology of Tropical Islands,College of Life Sciences,Hainan Normal University,Haikou 571158,China)

机构地区：[1]Ministry of Education Key Laboratory for Biodiversity and Ecological Engineering,College of Life Sciences,Beijing Normal University,Beijing 100875,China [2]College of Forestry/Wuzhishan National Long Term Forest Ecosystem Monitoring Research Station,Hainan University,Haikou 570228,China [3]Ministry of Education Key Laboratory for Ecology of Tropical Islands,College of Life Sciences,Hainan Normal University,Haikou 571158,China

出　　处：《Current Zoology》2023年第4期393-400,共8页动物学报（英文版）

基　　金：This work was supported by the National Natural Science Foundation of China(Nos.32170516 and 31872243 to YZ and 31800320 to XR)and by the Innovation Platform for Academicians of Hainan Province,China.

摘　　要：Bird songs are considered a sexually selected trait that can reflect the individual health of males as well as the vitality of potential mates and their competitors.Vocalization features should,therefore,be related to parasite load and body condition.Here,we performed a thorough acoustic analysis of the display calls of 9-month-old sub-adults and 18-month-old adults of pasture-raised red junglefowls Gallus gallus.We investigated whether the calls of pasture-raised red junglefowls can indicate body size and body condition,in addition to the influence of parasitic infection intensity on the expression of sexual traits.We found that frequency-related syllable parameters were significantly positively correlated with wing length in adults,whereas body weight was independent of both the frequency and temporal parameters of calls.In addition,we correlated parasitic load with the expression of sexually selected traits and discovered a positive association between the intensity of parasite infection and wing length in sub-adults,independent of vocal parameters.Overall,the results suggest that the vocalization of red junglefowls may convey reliable body size information,which will facilitate further studies of different vocal parameters in the transmission of bird vocalizations.

关 键 词：blood parasite male quality MORPHOLOGY red junglefowl Gallus gallus VOCALIZATION 

分 类 号：Q95[生物学—动物学]