Trends in numbers of petrels attracted to artificial lights suggest population declines in Tenerife, Canary Islands.

The secretive breeding behaviour of petrels makes monitoring their breeding populations challenging. To assess population trends of Cory’s Shearwater Calonectris diomedea, Bulwer’s Petrel Bulweria bulwerii and Macaronesian Shearwater Puffinus baroli in Tenerife from 1990 to 2010, we used data from rescue campaigns that aim to reduce the mortality of fledgling petrels attracted to artificial lights as proxies for trends in breeding population size. Despite increases in human population size and light pollution, the number of rescued fledglings of Cory’s Shearwater and Bulwer’s Petrel increased and remained stable, respectively, whereas numbers of rescued Macaronesian Shearwaters sharply declined. In the absence of more accurate population estimates, these results suggest a worrying decline in the Macaronesian Shearwater’s breeding population.

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Rodríguez A. Rodríguez B. y Lucas M.P. Trends in numbers of petrels attracted to artificial lights suggest population declines in Tenerife Canary Islands. Wiley-Blackwell, 2012. https://doi.org/10.1111/j.1474-919X.2011.01175.x

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Resource type Text
Date of creation 2025-05-23
Date of last revision 2025-05-23
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Metadata identifier 27ce70c0-a7d9-5e89-96d1-93f8993e9c6f
Metadata language Spanish
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Name of the dataset creator Rodríguez, A., Rodríguez, B. y Lucas, M.P.
Name of the dataset editor Wiley-Blackwell
Other identifier DOI: 10.1111/j.1474-919X.2011.01175.x
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