Breeding of the Trindade Petrel Pterodroma arminjoniana on Round Island, Mauritius

Round Island (19°51'S, 57°47'E), an uninhabited volcanic islet lying 14 miles NNE of the Mauritian mainland, provides locally important breeding grounds for four species of seabirds; the Trindade Petrel Pterodroma arminjoniana, the Wedge‐tailed Shearwater Puffinus pacificus, the Red‐tailed Tropic Bird Phaethon rubricauda and the White‐tailed Tropic Bird Phaethon lepturus. The landing conditions on the island are notoriously difficult and prior to 1975, visits by naturalists had been limited to short stays, a few days at the most. Accounts of the natural history of the island have been made by Vinson (1965), Bullock (1977) and Bullock & North (1984). This paper gives the results of studies on the breeding biology of the Trindade Petrel during two visits to Round Island from 27 July to 2 September 1978, and from 30 July to 18 August 1982.


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Authors: Gardner, Andrew S., Duck, Callan D., Greig, Susan

1 January, 1985
Ibis / 127
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