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Golden Plover Among Upland Birds That Declined Markedly at Pumlumon Over 40 Years

European Golden Plover at Foel Fras in Wales
Conservation · Population & status

A 2026 review of 40 years of breeding-bird surveys in the Pumlumon uplands of mid Wales found marked declines in several characteristic upland species. European golden plover (Pluvialis apricaria) was among the birds highlighted, together with eurasian curlew (Numenius arquata), black-headed gull (Chroicocephalus ridibundus), ring ouzel (Turdus torquatus), whinchat (Saxicola rubetra) and northern wheatear (Oenanthe oenanthe).

The analysis drew on standardised line-transect surveys conducted in 1984, 2011 and 2024. In a line transect, observers follow a standardised route and record birds encountered along it, allowing comparable routes to be used to track changes between survey years. The transects were supplemented by species-specific surveys and casual observations. Several characteristic upland birds had disappeared as breeding species from parts of the study area or persisted only in very small numbers by the end of the period. In contrast, some more widespread species increased, including European stonechat (Saxicola rubicola) and reed bunting (Emberiza schoeniclus). Almost two-thirds of the species recorded during the surveys are now Red- or Amber-listed in Wales.

The study did not identify a single cause for the changes. At a broad scale, vegetation and land use had changed relatively little, although grazing pressure had declined in parts of the site and some heathland habitats had recovered. The author notes that most upland birds did not show corresponding increases despite those habitat changes.

He suggests that wider processes, including changes in prey availability and climate, are likely to contribute to the long-term pattern. The changes at Pumlumon broadly match trends reported from other upland sites in Wales and elsewhere in Britain, making the 40-year dataset an important baseline for future monitoring.

Sources and image credit

  1. Green, M. (2026). Changes in the breeding bird assemblage of the Pumlumon uplands 1984–2024. British Birds, 119, 329–341.Primary 2026 article in British Birds, Issue 6 (June 2026). The publisher gives the publication month but not a day. Standardised line-transect surveys were carried out in 1984, 2011 and 2024, supplemented by species-specific surveys and casual observations. European Golden Plover, Eurasian Curlew, Black-headed Gull, Ring Ouzel, Whinchat and Northern Wheatear were among the characteristic upland species reported as declining markedly. Almost two-thirds of surveyed species are now Red- or Amber-listed in Wales.

Image: Sam Thomas — European Golden Plover (Pluvialis apricaria) at Foel Fras, Wales, photographed 16 April 2022; Wikimedia Commons / Flickr; cropped to 16:9; representative Welsh upland image, not a bird counted in the Pumlumon surveys · CC BY 2.0 · Source

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Population & status

SPECIES IN THIS STORY

Species in this story

European Golden Plover Pluvialis apricaria Explore species Eurasian Curlew Numenius arquata Explore species Black-headed Gull Chroicocephalus ridibundus Explore species Whinchat Saxicola rubetra Explore species Northern Wheatear Oenanthe oenanthe Explore species

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