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Issue:ISSN 1000-7083
          CN 51-1193/Q
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Your Position :Home->Past Journals Catalog->2014 Vol.33 No.3

Brood Parasitism and Egg Mimicry on Garrulax canorus and Babax lanceolatus by Clamator coromandus
Author of the article: HUO Juan, SU Tongping, YANG Canchao, LIANG Wei*
Author's Workplace:(Ministry of Education Key Laboratory for Tropical Animal and Plant Ecology, College of Life Sciences, Hainan Normal University, Haikou 571158, China)
Key Words: brood parasitism; Clamator coromandus; egg mimicry; spectrophotometer
Abstract: Brood parasitism on Hwamei (Garrulax canorus) and Chinese babax (Babax lanceolatus) by chestnut-winged cuckoo (Clamator coromandus) were observed by searching and monitoring various birds’ nest in all habitats during the breeding season (April to August) of 2012 and 2013 inKuankuoshui National Nature Reserve, Guizhou, southwestern China. In this study, it was the first report that the Chinese babax served as a host of the chestnut-winged cuckoo. Chestnut-winged cuckoo laid two eggs in each nest of both hosts, and its egg mass (7.49 g±0.14 g), egg length (26.82 mm±0.73 mm) and egg width (22.50 mm±0.69 mm) were significantly larger than the hosts. Analysis of egg reflectance spectrum showed that both the brilliance chroma of chestnut-winged cuckoo eggs were more mimetic to that of Hawmei compared with the Chinese babax. These implied that Hwamei might be the main host of chestnut-winged cuckoo and Chinese babax was the secondary host. Previous study concerned on egg cognition ability of Chinese babax also provided preliminary evidence to support our prediction.
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