Breeding ecology of Styan's Bulbul Pycnonotus taivanus in Taiwan

Autor:	Minna J. Hsu, Yao-Sung Lin
Rok vydání:	1997
Předmět:	Avian clutch size biology Nest Hatching Ecology Seasonal breeder Animal Science and Zoology Vegetation Bulbul biology.organism_classification Pycnonotus taivanus Ecology Evolution Behavior and Systematics Calophyllum inophyllum
Zdroj:	Ibis. 139:518-522
ISSN:	0019-1019
DOI:	10.1111/j.1474-919x.1997.tb04668.x
Popis:	The breeding ecology of Styan's Bulbul Pycnonotus taivanus, an endemic species in Taiwan, was studied in Kenting, Taiwan. The duration of the breeding season of Styan's Bulbul stretched from March to July in 1983. The average clutch size was 3.3 eggs (n=34), and hatching success was 60%. The average number of nestlings at hatching was 2.7 per clutch, and 73% of the young fledged. Styan's Bulbuls selected their nest sites among dense vegetation. In the study area, 75% (n=84) of nests were found in the Indiapoon Beautyleaf tree Calophyllum inophyllum, which had a relative vegetation density of only 33.5%. Factor analysis was used to analyse 13 nest-site characteristics of 63 nests, and five factors accounted for 69% of the variation.
Databáze:	OpenAIRE
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