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논문 기본 정보

자료유형
학술저널
저자정보
Seok-Jun Son (Kyung Hee University) Ji-sub Kim (Kyung Hee University) Jin-Won Lee (Kyung Hee University) Ki-Baek Nam (Kyung Hee University) Jeong-Chil Yoo (Kyung Hee University)
저널정보
한국조류학회 한국조류학회지 한국조류학회지 第22卷 第2號
발행연도
2015.12
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37 - 45 (9page)

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초록· 키워드

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Egg rejection is a key defense strategy that evolved in host species to overcome the detrimental effect of brood parasitism. The degree of egg rejection in host populations often reflects the history of the interaction between brood parasites and their hosts. In the present study, we conducted model egg and conspecific egg experiments in order to determine egg rejection ability in the Korean populations of Azure-winged Magpies (Cyanopica cyanus). In addition, we also monitored breeding nests of magpies to quantify intra- and inter-specific brood parasitism rates in this species. Overall, brood parasitism was rarely observed in this population of magpies. We found only one case of intra-specific brood parasitism and no cuckoo parasitism was observed among the 74 monitored nests. However, the results of artificial egg experiments demonstrated that Azure-winged Magpies have very high rejection ability against non-mimetic model eggs (96%) and mimetic conspecific eggs (30%). In conclusion, our study suggests that Azure-winged Magpies have finely-tuned egg recognition mechanisms, indicating that,in this species,the history of either intra- or inter-specific brood parasitism or both may be longer than is currently assumed. Further studies quntifying parasitism rates in other populations of this species would be necessary.

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Introduction
Methods
Results
Discussion
References

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UCI(KEPA) : I410-ECN-0101-2016-482-002239231