Friday, December 6, 2019

Breeding and survival of Snares Cape Pigeons Daption capense australe at The Snares, New Zealand

TitleBreeding and survival of Snares Cape Pigeons Daption capense australe at The Snares, New Zealand
Publication TypeJournal Article
Year of Publication1996
AuthorsSagar, PM, Tennyson, AJD, Miskelly, CM
JournalNotornis
Volume43
Issue4
Pagination197-207
Type of Articlepaper
Keywordsbreeding chronology, Fulmarine petrels, Snares Cape Pigeon, Snares Islands, survival
Abstract

We studied Cape Pigeons Daption capense at The Snares, one of its northern most breeding sites, from pre-laying to fledging during 1985/86 and 1986/87, and compared our data with those from other localities. At The Snares, mean laying dates were 10 November 1985 and 8 November 1986, mean hatching date was 25 December 1985, mean fledging date was 14 February 1986, breeding success was 58.7% in 1985/86 and 50.0% in 1986/87, and adult male annual survival was 94%. Laying mainly begins later at higher latitude breeding sites and there are differences in pre-laying colony attendance between some populations. Incubation and nestling periods are similar throughout the species' range suggesting an inherent rather than environmentally-induced explanation for the relatively short nesting season of fulmars compared to other petrels.

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