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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.

Breeding Bird Survey
BBS monitors the population changes of 118 breeding bird species across the UK thanks to the dedication of almost 3,000 volunteers who survey their randomly selected 1-km square each spring.
Time / skill needed:

BirdTrack
BirdTrack is a free and convenient way of storing your bird records online. BirdTrack lets you keep up to date with what others are seeing, view the latest trends, and contribute your data to BTO science.
Time / skill needed:

Waterways Breeding Bird Survey
The Waterways Breeding Bird Survey is an annual survey of breeding birds along rivers and canals.
Time / skill needed:

Garden BirdWatch
Help with research into garden wildlife by joining our Garden BirdWatch community.
Time / skill needed:

Wetland Bird Survey
The Wetland Bird Survey (WeBS) monitors non-breeding waterbirds in the UK.
Time / skill needed:

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:

Bird Ringing Scheme
Bird ringing generates information on the survival, productivity and movements of birds, helping us to understand why populations are changing.
Time / skill needed:
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