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The size of the breeding population of Manx Shearwater Puffinus puffinus on Bardsey (Wales) in 1996 = Het aantal Noordse Pijlstormvogels broedend op Bardsey (Wales) in 1996
Silcocks, A.F. (1999). The size of the breeding population of Manx Shearwater Puffinus puffinus on Bardsey (Wales) in 1996 = Het aantal Noordse Pijlstormvogels broedend op Bardsey (Wales) in 1996. Atlant. Seabirds 1(2): 77-84
In: Atlantic Seabirds. Seabird Group and Dutch Seabird Group: Sandy, Bedfordshire. ISSN 1388-2511, more
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Keyword
    Marine/Coastal

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  • Silcocks, A.F.

Abstract
    In late May and early June 1996 a whole-island survey of Manx Shearwaters was undertaken on Bardsey (Wales, UK). All apparently occupied burrows (AOB) were counted, resulting in a total of 6927 AOBs. An additional survey of shearwaters nesting amongst gorse bushes was carried out using a call playback technique and revealed an additional 101 pairs. A comparison of the accuracy of the two censusing techniques revealed a disparity of under 10% in a selected survey area. A future monitoring program for the Manx Shearwaters on Bardsey is proposed.

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