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1 December 2006 Abundance and Breeding Ecology of Brown Accentors Prunella fulvescens in Lhasa, Tibet
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Abstract
Data are presented for the first time on the abundance and breeding ecology of the Brown Accentor in Lhasa, Tibet. During the non-breeding periods, the accentors occurred across a wide altitudinal gradient in a variety of habitats and remained numerically abundant. When breeding, they were restricted to alpine zones (> 4300 m) with scattered shrubs, and the population density declined to a low level (0.02 nests per ha). Nests were built partially in lone-standing short, thorny bushes and at a low height (< 0.8 m) above the ground. Dates of clutch initiation ranged from early May to mid-July, a period of 80 days. Clutch size varied between 2 and 3 eggs, averaging 2.9 (± 0.1). Eggs hatched after 13–14 days of incubation, and young birds fledged at 13–17 days, when they reached 97% of the adult weight. In terms of the proportion of clutches from which at least one chick fledged, breeding success was 56.3%. No evidence of multiple mating was found in this species.
and Xin Lu "Abundance and Breeding Ecology of Brown Accentors Prunella fulvescens in Lhasa, Tibet," Acta Ornithologica 41(2), (1 December 2006). https://doi.org/10.3161/068.041.0208
Received: 1 September 2006; Accepted: 1 November 2006; Published: 1 December 2006
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