著者
Annette L. Fayet Masaki Shirai Sakiko Matsumoto Aimee Van Tatenhove Ken Yoda Akiko Shoji
出版者
The Ornithological Society of Japan
雑誌
ORNITHOLOGICAL SCIENCE (ISSN:13470558)
巻号頁・発行日
vol.18, no.2, pp.189-195, 2019 (Released:2019-07-29)
参考文献数
37
被引用文献数
1

To identify drivers of local variation in breeding success in colonial seabirds, we studied the role of breeding phenology and parental quality on the breeding performance of two neighbouring subcolonies of Streaked Shearwaters Calonectris leucomelas, with similar habitat but different success. Egg dimension and parental quality during incubation, but not phenology, predicted hatching success. Birds at the low-success colony laid smaller eggs, reared smaller chicks and neglected eggs more frequently, leaving them vulnerable to predation. Our findings suggest that local variation in breeding performance in this species arises from differences in breeding quality, perhaps driven by age or experience.

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Differences in breeding success between neighbouring Streaked Shearwater subcolonies correlate with egg size & quality of parental care | #ParentalCare https://t.co/rv3tsjhsJ2

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