A census of breeding Manx Shearwaters Puffinus puffinus on the Pembrokeshire Islands of Skomer, Skokholm and Midland in 2018

Perrins, Christopher, Padget, Oliver, O'Connell, Mark ORCID: 0000-0003-3402-8880, Brown, Richard, Büche, Birgitte, Eagle, Giselle, Roden, James, Stubbings, Ed and Wood, Matthew J ORCID: 0000-0003-0920-8396 (2020) A census of breeding Manx Shearwaters Puffinus puffinus on the Pembrokeshire Islands of Skomer, Skokholm and Midland in 2018. Seabird, 32. pp. 106-118.

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Abstract

We present the results of a census of the Manx Shearwaters Puffinus puffinus nesting on the three Pembrokeshire islands of Skomer, Skokholm and Midland (formerly Middleholm), Pembrokeshire, undertaken in 2018. The breeding population estimates were largely in line with those made in 2011–2013, but differed markedly from 1998; this difference seems to be due to the different methods used in 1998 rather than any marked change in population size. Despite attempts to refine the estimation of response rate to call playback, the error of the population estimates remains large, illustrating the logistical and analytical challenges of making seabird censuses using call playback. Nonetheless, the population estimates are large and the spatial distribution of occupied burrows is consistent between censuses, and thus Wales may hold more than half of the world’s breeding population of Manx Shearwaters.

Item Type: Article
Article Type: Article
Additional Information: This is the 2019 edition of Seabird, whose publication was delayed due to the COVID-19 pandemic. The correct citation is: Perrins, C. et al. (2019). A census of breeding Manx Shearwaters Puffinus puffinus on the Pembrokeshire islands of Skomer, Skokholm and Midland in 2018. Seabird, 32. pp.106-118.
Subjects: Q Science > QL Zoology
Q Science > QL Zoology > QL605 Chordates. Vertebrates > QL671-699 Birds
Divisions: Schools and Research Institutes > School of Natural & Social Sciences > Environmental Sciences
Research Priority Areas: Environmental Dynamics & Governance
Depositing User: Matt Wood
Date Deposited: 18 Nov 2020 14:14
Last Modified: 18 Nov 2020 14:14
URI: http://eprints.glos.ac.uk/id/eprint/8979

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