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Cymrwch ran yma yng Nghymru
Trwy gymryd rhan mewn cynlluniau ac arolygon y BTO gallwch ddefnyddio'ch sgiliau adarydda gan ein helpu i ddeall sut y mae poblogaethau adar Cymru yn newid a pham.
Y mae gennym ystod eang o gyfleoedd i gyfranogi - gallwch gymryd rhan yn eich gardd, mewn man-gwyrdd trefol, mewn safleoedd gwlyptir neu wrth archwilio yn un o leoedd anial Cymru.
View all current projects or view the list of completed projects.
![Chiffchaff by Paul Newton Chiffchaff by Paul Newton](https://www.bto.org/sites/default/files/styles/200_width/public/006725-chiffchaff-paul_newton_0.jpg?itok=MVTVTj3X)
Time / skill needed:
![Arctic Tern Photographer Jeremy Moore Arctic Tern Photographer Jeremy Moore](https://www.bto.org/sites/default/files/styles/200_width/public/006046-arctic_tern-moore_2.jpg?itok=RVRT9WZE)
Time / skill needed:
![Dipper by Edmund Fellowes Dipper by Edmund Fellowes](https://www.bto.org/sites/default/files/styles/200_width/public/000095-dipper-edmund_fellowes.jpg?itok=DGQyPC59)
Waterways Breeding Bird Survey
The Waterways Breeding Bird Survey is an annual survey of breeding birds along rivers and canals.
Time / skill needed:
![Fieldfare. Liz Cutting Fieldfare. Liz Cutting](https://www.bto.org/sites/default/files/styles/200_width/public/fieldfare-lizcutting.jpg?itok=YHFqnENP)
Garden BirdWatch
Help with research into garden wildlife by joining our Garden BirdWatch community.
Time / skill needed:
![WeBS counting. Photograph by Teresa Frost WeBS counting. Photograph by Teresa Frost](https://www.bto.org/sites/default/files/styles/200_width/public/neilcalbradeatlivermerebytfrost1000x600.jpg?itok=jlOQLLLz)
Time / skill needed:
![Long-tailed Tit nest. Photograph by Elspeth Rowe Long-tailed Tit nest. Photograph by Elspeth Rowe](https://www.bto.org/sites/default/files/styles/200_width/public/nrs_homepage_pic.jpg?itok=VP16F2dB)
Nest Record Scheme
Nest Record Scheme participants gather vital information on the breeding success of Britain's birds by following the progress of individual nests.
Time / skill needed:
![Greenfinch in the hand having its wing measured, by Dawn Balmer Greenfinch in the hand having its wing measured, by Dawn Balmer](https://www.bto.org/sites/default/files/styles/200_width/public/greenfinch_wing_being_measured_by_dawn_balmer.jpg?itok=RNLrrD8l)
Time / skill needed:
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