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Data from: The fifth review of Birds of Conservation Concern in the United Kingdom, Channel Islands and Isle of Man and second IUCN Red List assessment of extinction risk of birds for Great Britain

Citation

Stanbury, Andrew et al. (2021), Data from: The fifth review of Birds of Conservation Concern in the United Kingdom, Channel Islands and Isle of Man and second IUCN Red List assessment of extinction risk of birds for Great Britain, Dryad, Dataset, https://doi.org/10.5061/dryad.cc2fqz672

Abstract

The fifth review of Birds of Conservation Concern (BoCC5) in the UK, Channel Islands and Isle of Man assessed and assigned 245 species to updated Red, Amber and Green lists of conservation concern and showed a continuing decline in the status of our bird populations. In total, 70 species (29% of those assessed) are now on the Red list, up from 36 species in the first review in 1996. Since the last review, in 2015, Golden Oriole Oriolus oriolus has been lost as a breeding species. Eleven species have been moved to the Red list, while only six species moved from Red to Amber. Newly Red-listed species include Common Swift Apus apus, Common House Martin Delichon urbicum, Greenfinch Chloris chloris and the globally threatened Leach’s Storm-petrel Hydrobates leucorhous. There has been no improvement in the overall status of species associated with farmland and upland, or Afro-Palearctic migrants; indeed, more such species have been Red-listed. Concerns over the status of our wintering wildfowl and wader populations have also increased. As a direct result of targeted conservation action, White-tailed Eagle Haliaeetus albicilla moves from Red to Amber.

We also present a review of the separate, and distinct, second IUCN Regional Red List assessment of extinction risk for Great Britain, which show that 46% of 235 regularly occurring species, and 43% of 285 separate breeding and non-breeding populations, are assessed as being threatened with extinction from Great Britain.

Methods

The dataset was created as part of the 5th Birds of Conservation Concern in the UK, Channel Islands and Isle of Man and 2nd IUCN Red List assessment of extinction-risk of birds in Great Britain. It uses data from a wide variety of sources, all outlined within the dataset, to present detailed result tables and methodologies not contained within the published article. 

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