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Burrow occupancy by Wedge-tailed Shearwaters and Flesh-footed Shearwaters on Lord Howe Island


In January 2001 burrow occupancy for two species of Shearwater Puffinus carneipes and Puffinus pacificus was ascertained by using a burrowscope to inspect burrow contents at various sites on Lord Howe Island. Burrow occupancy (and burrow lengths) for Puffinus carneipes and Puffinus pacificus averaged 60 per cent (1.4m) and 57 per cent (0.8m) respectively. Neither burrow density nor the amount of litter covering burrow entrances were good indicators of burrow occupancy.

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