Abnormal Plumage Survey
Welcome to the BTO's Abnormal Plumage Survey
OUR SURVEY HAS MOVED!
The current survey can be found at https://www.bto.org/our-science/projects/gbw/about/background/projects/plumage
The current survey can be found at https://www.bto.org/our-science/projects/gbw/about/background/projects/plumage
If you have any questions or comments please email gbw@bto.org