期刊论文详细信息
Notornis | |
Breeding of variable oystercatchers (Haematopus unicolor) at Kaikoura Peninsula, South Island, New Zealand | Notornis and Birds New Zealand | |
Rowe, L1  | |
关键词: breeding success; clutch size; egg size; Haematopus unicolor; Kaikoura Peninsula; variable oystercatcher; | |
DOI : | |
学科分类:动物科学 | |
来源: Ornithological Society of New Zealand Inc. | |
【 摘 要 】
The nesting of variable oystercatchers (Haematopus unicolor) on the Kaikoura Peninsula was studied at 6 sites over 8 years. Only in 1 year were birds known to have laid eggs at all 6 sites and only at 2 sites was nesting observed every year. Loss of nests often resulted in re-nesting and at 1 site birds made 4 attempts in 1 season. Over the 8 years, 117 eggs were found in 53 nesting attempts between mid-Oct and late Jan. The average size of 114 eggs was 58.2 x 40.6 mm. Thirty of 53 nesting attempts were completed and averaged 2.4 eggs/clutch (range 1
【 授权许可】
Unknown
【 预 览 】
Files | Size | Format | View |
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RO201912020434165ZK.pdf | 642KB | download |