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Rook Survey

All Wales Rook Survey Welsh Ornithological Society For the first time in WOS’ history, the Society organised and ran an all-Wales species survey during the springs of 2022 and 2023. Rook (Corvus frugilegus) was the chosen species and the aim was to establish distribution maps and a robust breeding population estimate in Wales for this […]

BTO, RSPB & Affiliate Club Surveys

Take part in BTO, RSPB & Affiliate club Surveys Welsh Ornithological Society WOS encourages birders in Wales to participate in BTO, RSPB and WOS Affiliate Club surveys, which increase our knowledge of birds in Wales and help towards their conservation. The BTO/JNCC/RSPB Breeding Bird Survey (BBS) The BTO/JNCC/RSPB Breeding Bird Survey (BBS) is the main […]

Curlews

Curlews Welsh Ornithological Society The last all Wales Curlew survey was in 2006 and estimated a breeding population of 1,100 pairs. This represented a dramatic decline of 81% since 1993. Breeding Bird Survey (BBS) data indicate that the breeding population of Curlew in Wales is declining at a rate of around 5% per year. Given […]

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