Breeding Ecology of a Subantarctic Winter Breeder: the Grey Petrel <i>Procellaria cinerea</i> on Kerguelen Islands

Zotier, Richard

doi:10.1071/mu9900180

Cited by 16 publications

(14 citation statements)

References 9 publications

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“…Mass gain of Atlantic Petrel chicks (4.0 g day -1 ) was less than one-third of the rate predicted for a procellariiform species the size of an Atlantic Petrel (14.2 g day -1 : Croxall and Gaston 1988). Chicks of Great-winged Petrels breeding on Marion Island also had a low growth rate in comparison to Kerguelen and Softplumaged Petrel chicks at the same site (Schramm 1983), suggesting that food availability was poorer during the winter months (Zotier 1990). Whether the growth of Atlantic Petrel chicks in the 2000 season resulted from an exceptionally poor season is unknown, but clearly there is a case for further research.…”

Section: Atlantic Petrel Breeding Ecologymentioning

confidence: 96%

“…Winter breeding Procellariiformes are characterised by having a prolonged pre-laying exodus, slow chick growth and long fledging period, in comparison to summer breeders (Imber 1976;Warham 1990;Zotier 1990). This prolonged development may be a result of an impoverishment in feeding resources of subantarctic waters during winter Zotier (1990) or, alternatively, a relaxation of the time constraints that summer-breeding petrels face in order to complete the breeding cycle. The results from this study support the above generalisations.…”

Section: Atlantic Petrel Breeding Ecologymentioning

confidence: 99%

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Breeding biology of the Atlantic Petrel,Pterodroma incerta, and a population estimate of this and other burrowing petrels on Gough Island, South Atlantic Ocean

Cuthbert

2004

Emu - Austral Ornithology

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The Atlantic Petrel, Pterodroma incerta , endemic to the Tristan da Cunha group in the South Atlantic and globally threatened, is one of the least known of the world's seabirds. At Gough Island, Atlantic Petrels are winter breeders, with single eggs laid in June-July and chicks fledging in December. Birds were exclusively nocturnal on land. The pre-egg exodus of ~50 days and nestling period of almost 140 days are near the longest recorded for Pterodroma species, and support the general pattern of prolonged development found in winterbreeding Procellariiformes. Chicks grew at a very slow rate, suggesting poor at-sea feeding conditions. Breeding success averaged only 20% and introduced House Mice, Mus musculus , were probably responsible for considerable losses of chicks in two breeding seasons. Preliminary population modelling predicts a decline in numbers. The potential impact of introduced mice suggests that the species' conservation status be upgraded from Vulnerable to Endangered and that further research on this issue is a high priority. The first quantitative estimate of breeding numbers indicates a population of ~1.8 million pairs of Atlantic Petrels. Provisional population estimates of Great Shearwaters, Puffinus gravis (980000 pairs), Soft-plumaged Petrels, Pterodroma mollis (400000 pairs), and Broadbilled Prions, Pachyptila vittata (1750000 pairs) confirm the international significance of Gough Island as a site for breeding seabirds.

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Section: Atlantic Petrel Breeding Ecologymentioning

confidence: 96%

Section: Atlantic Petrel Breeding Ecologymentioning

confidence: 99%

Breeding biology of the Atlantic Petrel,Pterodroma incerta, and a population estimate of this and other burrowing petrels on Gough Island, South Atlantic Ocean

Cuthbert

2004

Emu - Austral Ornithology

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“…Newton and Fugler 1989;Zotier 1990). However, this technique was not used owing to it potentially contributing to nest failure (Sinclair 1981).…”

Section: Burrow Occupancymentioning

confidence: 93%

“…Alternatively the lowered breeding success may be explained by variation in food availability or associated with other factors on feeding grounds. Elsewhere, variation in breeding success of the Grey Petrel has been attributed to scarcity and yearly variability of food in winter, explaining the longest fledging period recorded among procellarids (Zotier 1990). Grey Petrels have been caught in large numbers as fisheries by-catch in New Zealand waters, in addition to Australian waters and on the high seas (Bartle 1990;Baker et al 2002).…”

Section: Conservation Issuesmentioning

confidence: 98%

Breeding of the Grey Petrel (Procellaria cinerea) on Macquarie Island: population size and nesting habitat

Schulz¹,

Robinson²,

Gales³

2005

Emu - Austral Ornithology

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“…Finally, the small Monowai (8 ha) and Dent (23 ha) islands were also surveyed in their entirety. Grey petrels are diurnally active in flight around colonies (Bell 2002) and at-sea in areas offshore from breeding colonies (Zotier 1990). Birds in flight over land, or rafts of birds offshore, could indicate a nearby colony.…”

Section: Spatial Extentmentioning

confidence: 99%

Grey petrel population on Campbell Island 14 years after rodent eradication

2016

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Populations of grey petrels have declined globally due to both incidental capture in commercial fisheries and predation by introduced mammals at breeding sites. In the New Zealand region, grey petrels only breed on Campbell and Antipodes islands. Rats were successfully eradicated from Campbell Island in 2001. We assessed the spatial extent and conducted the first quantitative population estimate of the grey petrel population on Campbell Island and surrounding islets. There was an estimated c. 96 pairs (95% CI: 83, 109) of breeding grey petrels from the four colonies. Since work was conducted during the middle of the chick-rearing stage, this is an underestimate of the breeding population. The Campbell Island grey petrel breeding population remains small. Our study provides a baseline for future population estimates of grey petrels on Campbell Island.

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Breeding Ecology of a Subantarctic Winter Breeder: the Grey Petrel Procellaria cinerea on Kerguelen Islands

Cited by 16 publications

References 9 publications

Breeding biology of the Atlantic Petrel,Pterodroma incerta, and a population estimate of this and other burrowing petrels on Gough Island, South Atlantic Ocean

Breeding biology of the Atlantic Petrel,Pterodroma incerta, and a population estimate of this and other burrowing petrels on Gough Island, South Atlantic Ocean

Breeding of the Grey Petrel (Procellaria cinerea) on Macquarie Island: population size and nesting habitat

Grey petrel population on Campbell Island 14 years after rodent eradication

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