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Zoological Research
Kunming Institute of Zoology, Chinese Academy of Sciences
ISSN: 2095-8137
Vol. 36, No. 4, 2015, pp. 233-240
Bioline Code: zr15026
Full paper language: English
Document type: Research Article
Document available free of charge

Zoological Research, Vol. 36, No. 4, 2015, pp. 233-240

 en The breeding biology of Red-Whiskered Bulbul ( Pycnonotus jocosus check for this species in other resources ) in Xishuangbanna, southwest China
LI, Huan; ZHANG, Ming-Xia; YANG, Xiao-Jun; CUI, Liang-Wei & QUAN, Rui-Chang

Abstract

To fill the gap in breeding biology information about the Red-Whiskered Bulbul ( Pycnonotus jocosus check for this species in other resources ), in 2013, we studied the breeding biology of this species in Xishuangbanna, southwest China. The breeding began from February and continued until early August. The breeding strategy of P. jocosus was more flexible and their nests were only built in cultivated landscapes, whereas, no nest building in native tropical rain forest was found. Small open cup nests were built on 50 different plant species, and at heights ranging from 2.1±0.6 m above the ground (n=102). The mean clutch size was 2.53±0.51 eggs (n=40) and the mean egg mass was 2.81±0.25 g (n=60). The average incubation period was 11.1±0.5 days (n=14), and the average nestling period was 11.0±0.8 days (n=31). The overall nest success was 34.22%.The hatching and fledging showed either asynchrony or synchrony. Invertebrate food decreased with nestling age, whereas, plant food increased with nestling age. Moreover, distinct parental roles of the parents in nestling period were found. Compared with other passerine species, P. jocosus spent less time in incubating (58%). The clutch size, incubation and nestling period of the P. jocosus in southwest China were different from those of the P. jocosus in India.

Keywords
Red-Whiskered Bulbul; Breeding biology; Incubation; Nestling; Parental roles

 
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