Persistent fine-tuning of egg rejection based on parasitic timing in a cuckoo host even after relaxation of parasitism pressure

doi:10.1016/j.beproc.2021.104532

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	Persistent fine-tuning of egg rejection based on parasitic timing in a cuckoo host even after relaxation of parasitism pressure
	Liu, Chenyang ; Ye, Ping 1; Cai, Yan 1; Quan, Ruichang; Yang, Canchao 1
	2021
Source Publication	BEHAVIOURAL PROCESSES
ISSN	0376-6357
Volume	193 Issue:x Pages:-
Abstract	Egg rejection is one of the most effective defenses to avoid avian brood parasites by hosts, and reflects avian cognition during parasite-host coevolution. However, egg rejection varies with different populations and species, or under different contexts. Here we studied the egg recognition behavior in a non-parasitized population of the red-whiskered bulbul (Pycnonotus jocosus), which has been recorded as a host of the banded bay cuckoo (Cacomantis sonneratii). By comparing its egg rejection frequency and latency between egg-laying and egg incubation stages with a variety of nest ages, which represent different costs of cuckoo parasitism, the results show that the hosts rejected parasite eggs more frequently in the egg-laying stage than in the egg-incubation stage without a difference in latency, and accepted parasite eggs with an increase of nest age. These findings indicated that the hosts are able to adjust the intensity of their anti-parasitic responses according to the parasitic timing. A relaxation of parasitism risk and the tradeoff between parasitism risk and egg rejection cost may contribute to explaining our results.
Keyword	Anti-parasitic defenses Avian brood parasitism Parasitic cuckoos Egg recognition Egg rejection
Subject Area	Psychology ; Behavioral Sciences ; Zoology
DOI	10.1016/j.beproc.2021.104532
Indexed By	SCI
Language	英语
WOS ID	WOS:000718886900005
Citation statistics
Document Type	期刊论文
Identifier	https://ir.xtbg.ac.cn/handle/353005/12463
Collection	2012年后新成立研究组
Affiliation	1.Chinese Acad Sci, Xishuangbanna Trop Bot Garden, Mengla 666303, Yunnan, Peoples R China 2.Hainan Normal Univ, Coll Life Sci, Haikou 571158, Hainan, Peoples R China
Recommended Citation GB/T 7714	Liu, Chenyang,Ye, Ping,Cai, Yan,et al. Persistent fine-tuning of egg rejection based on parasitic timing in a cuckoo host even after relaxation of parasitism pressure[J]. BEHAVIOURAL PROCESSES,2021,193(x):-.
APA	Liu, Chenyang,Ye, Ping,Cai, Yan,Quan, Ruichang,&Yang, Canchao.(2021).Persistent fine-tuning of egg rejection based on parasitic timing in a cuckoo host even after relaxation of parasitism pressure.BEHAVIOURAL PROCESSES,193(x),-.
MLA	Liu, Chenyang,et al."Persistent fine-tuning of egg rejection based on parasitic timing in a cuckoo host even after relaxation of parasitism pressure".BEHAVIOURAL PROCESSES 193.x(2021):-.

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