The Welsh Ornithological Society (Welsh: Cymdeithas Adaryddol Cymru) is an organisation which promotes the study and conservation of birds in Wales.
[1] The television presenter and author Iolo Williams has been the society's president since November 2009.
It considers records of species recorded five times or less each year and decisions are published in the report Scarce and rare birds in Wales.
[5] The body continues the work of the Welsh Records Advisory Group founded in 1967.
[2] BirdTrack is an online citizen science website, operated by the British Trust for Ornithology (BTO) on behalf of a partnership of the BTO, the RSPB, BirdWatch Ireland, the Scottish Ornithologists' Club and the Welsh Ornithological Society.