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dc.contributor.authorLanglois Lopez, Samuel
dc.contributor.authorBond, AL
dc.contributor.authorO’Hanlon, Nina J
dc.contributor.authorWilson, Jared M
dc.contributor.authorVitz, Andrew
dc.contributor.authorMostello, Carolyn S
dc.contributor.authorHamilton, Frederick
dc.contributor.authorRail, Jean-François
dc.contributor.authorWelch, Linda
dc.contributor.authorBoettcher, Ruth
dc.contributor.authorWilhelm, Sabina I
dc.contributor.authorAnker-Nilssen, Tycho
dc.contributor.authorDaunt, Francis
dc.contributor.authorMasden, Elizabeth
dc.identifier.citation: Langlois Lopez S, Bond AL, O’Hanlon NJ, Wilson JM, Vitz A, Mostello CS, Hamilton F, Rail J-F, Welch L, Boettcher R, Wilhelm SI, Anker-Nilssen T, Daunt F, Masden E (2022). Global population and conservation status of the Great Black-backed Gull Larus marinus. Bird Conservation International,1–11
dc.description.abstractThe Great Black-backed Gull Larus marinus is a generalist species that inhabits temperate and arctic coasts of the north Atlantic Ocean. In recent years, there has been growing concern about population declines at local and regional scales; however, there has been no attempt to robustly assess Great Black-backed Gull population trends across its global range. We obtained the most recent population counts across the species’ range and analysed population trends at a global, continental, and national scale over the most recent three-generation period (1985–2021) following IUCN Red List criteria. We found that, globally, the species has declined by 43%–48% over this period (1.2–1.3% per annum, respectively), from an estimated 291,000 breeding pairs to 152,000–165,000 breeding pairs under two different scenarios. North American populations declined more steeply than European ones (68% and 28%, respectively). We recommend that Great Black-backed Gull should be uplisted from ‘Least Concern’ to ‘Vulnerable’ on the IUCN Red List of Threatened Species under criterion A2 (an estimated reduction in population size >30% over three generations).en_US
dc.publisherCambridge University Press (CUP)en_US
dc.titleGlobal population and conservation status of the Great Black-backed Gull Larus marinusen_US
dc.typeJournal Articleen_US
dc.identifier.journalBird Conservation Internationalen_US
elements.import.authorLanglois Lopez, Samuel
elements.import.authorBond, Alexander L
elements.import.authorO’Hanlon, Nina J
elements.import.authorWilson, Jared M
elements.import.authorVitz, Andrew
elements.import.authorMostello, Carolyn S
elements.import.authorHamilton, Frederick
elements.import.authorRail, Jean-François
elements.import.authorWelch, Linda
elements.import.authorBoettcher, Ruth
elements.import.authorWilhelm, Sabina I
elements.import.authorAnker-Nilssen, Tycho
elements.import.authorDaunt, Francis
elements.import.authorMasden, Elizabeth
dc.description.nhmCopyright ©TheAuthor(s), 2022. Published by Cambridge University Press on behalf of BirdLife International. This is an Open Access article, distributed under the terms of the Creative Commons Attribution licence (http://, which permits unrestricted re-use, distribution and reproduction, provided the original article is properly cited. The attached file is the published version of the article.en_US
dc.description.nhmNHM Repository
dc.subject.nhmLarus gullsen_US
dc.subject.nhmgull populationsen_US
dc.subject.nhmpopulation assessmenten_US
dc.subject.nhmpopulation ecologyen_US
dc.subject.nhmbird conservationen_US

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