Egg rejection and egg recognition mechanism in a Chinese Azure-winged Magpie (Cyanopica cyanus) population

Recognition and rejection of foreign eggs are effective defense of hosts against brood parasitism. However, brood parasitism can impose various selection pressures on different geographic populations of the same host species. In a multiple cuckoo system in China, Azure-winged Magpies (Cyanopica cyan...

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Main Authors: Jianping Liu, Longwu Wang, Wei Liang
Format: Article
Language:English
Published: KeAi Communications Co., Ltd. 2023-01-01
Series:Avian Research
Subjects:
Online Access:http://www.sciencedirect.com/science/article/pii/S2053716623000385
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author Jianping Liu
Longwu Wang
Wei Liang
author_facet Jianping Liu
Longwu Wang
Wei Liang
author_sort Jianping Liu
collection DOAJ
description Recognition and rejection of foreign eggs are effective defense of hosts against brood parasitism. However, brood parasitism can impose various selection pressures on different geographic populations of the same host species. In a multiple cuckoo system in China, Azure-winged Magpies (Cyanopica cyanus) are parasitized by both Indian Cuckoos (Cuculus micropterus) and Asian Koels (Eudynamys scolopaceus). In this study, egg recognition ability and recognition mechanism of the Azure-winged Magpie were investigated using a population in Fusong, southeastern Jilin, China. The results showed that 55.6% (20/36) of the Azure-winged Magpies correctly rejected quail (Coturnix japonica) eggs in their nests, while 13.9% (5/36) of the individuals experienced rejection costs by wrongly rejecting their own eggs. Azure-winged Magpies could accurately reject the experimental eggs when the number of such eggs in the nests was the same as that of the magpie eggs. However, Azure-winged Magpies do not recognize and reject conspecific eggs (0/28). The present study indicates that the Azure-winged Magpie has moderate egg recognition ability toward non-mimetic quail eggs and shows a true recognition mechanism with rejecting foreign eggs by accurately recognizing their own eggs. However, they cannot recognize conspecific eggs.
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spelling doaj.art-82ae6c01cf12423aaed32589bfb142692023-06-16T05:09:22ZengKeAi Communications Co., Ltd.Avian Research2053-71662023-01-0114100112Egg rejection and egg recognition mechanism in a Chinese Azure-winged Magpie (Cyanopica cyanus) populationJianping Liu0Longwu Wang1Wei Liang2College of Biological Sciences and Engineering, North Minzu University, Yinchuan 750021, ChinaSchool of Life Sciences, Guizhou Normal University, Guiyang 550001, ChinaMinistry 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; Corresponding author.Recognition and rejection of foreign eggs are effective defense of hosts against brood parasitism. However, brood parasitism can impose various selection pressures on different geographic populations of the same host species. In a multiple cuckoo system in China, Azure-winged Magpies (Cyanopica cyanus) are parasitized by both Indian Cuckoos (Cuculus micropterus) and Asian Koels (Eudynamys scolopaceus). In this study, egg recognition ability and recognition mechanism of the Azure-winged Magpie were investigated using a population in Fusong, southeastern Jilin, China. The results showed that 55.6% (20/36) of the Azure-winged Magpies correctly rejected quail (Coturnix japonica) eggs in their nests, while 13.9% (5/36) of the individuals experienced rejection costs by wrongly rejecting their own eggs. Azure-winged Magpies could accurately reject the experimental eggs when the number of such eggs in the nests was the same as that of the magpie eggs. However, Azure-winged Magpies do not recognize and reject conspecific eggs (0/28). The present study indicates that the Azure-winged Magpie has moderate egg recognition ability toward non-mimetic quail eggs and shows a true recognition mechanism with rejecting foreign eggs by accurately recognizing their own eggs. However, they cannot recognize conspecific eggs.http://www.sciencedirect.com/science/article/pii/S2053716623000385Azure-winged MagpieCuckoo parasitismEgg rejectionRecognition errorTrue recognition
spellingShingle Jianping Liu
Longwu Wang
Wei Liang
Egg rejection and egg recognition mechanism in a Chinese Azure-winged Magpie (Cyanopica cyanus) population
Avian Research
Azure-winged Magpie
Cuckoo parasitism
Egg rejection
Recognition error
True recognition
title Egg rejection and egg recognition mechanism in a Chinese Azure-winged Magpie (Cyanopica cyanus) population
title_full Egg rejection and egg recognition mechanism in a Chinese Azure-winged Magpie (Cyanopica cyanus) population
title_fullStr Egg rejection and egg recognition mechanism in a Chinese Azure-winged Magpie (Cyanopica cyanus) population
title_full_unstemmed Egg rejection and egg recognition mechanism in a Chinese Azure-winged Magpie (Cyanopica cyanus) population
title_short Egg rejection and egg recognition mechanism in a Chinese Azure-winged Magpie (Cyanopica cyanus) population
title_sort egg rejection and egg recognition mechanism in a chinese azure winged magpie cyanopica cyanus population
topic Azure-winged Magpie
Cuckoo parasitism
Egg rejection
Recognition error
True recognition
url http://www.sciencedirect.com/science/article/pii/S2053716623000385
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