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Featured publication
Status and distribution of Rook Corvus frugilegus in Wales in 2022/23
An analysis of data from a countrywide Rook colony survey, coordinated by the Welsh Ornithological Society, to estimate population and distribution size and change.
Publication individual
State of Birds in Wales 2018
The State of Birds in Wales 2018 was published on 6 December 2018 ...
Publication individual
When is enough enough? Effective sampling protocols for estimating the survival rates of seabirds with mark-recapture techniques
Press release
Welsh Yellowhammers in long-term decline
Since 1994, Yellowhammer numbers have declined by 57% in Wales. T ...
Publication individual
The importance of the United Kingdom for wintering gulls: population estimates and conservation requirements
Publication individual
An examination of reptile and amphibian populations in gardens, the factors influencing garden use and the role of a 'Citizen Science' approach for monitoring their populations within this habitat
Publication individual
Indexing winter gull numbers in Great Britain using data from the 1953 to 2004 Winter Gull Roost Surveys
Publication individual
Population decline of Leach's Storm-petrel Oceanodroma leucorhoa within the largest colony in Britain and Ireland
Publication individual
Changes in breeding wader populations on lowland wet grasslands in England and Wales: causes and potential solutions
Project
Cudyll Cymru – Monitoring Raptors in Wales (Cymraeg)
Mae Cudyll Cymru yn gynllun newydd sy’n monitro adar ysglyfaethus ...