to collaborate on this site
if you took pictures of a colour-ringed bird, please email us:
a jpg picture between 200 and 500 kb
the name of the person who took the picture, when and where was taken
  ringing data, if you have them
  comments on the picture or questions if you have any
  a link to your personal website, if you have one
   
if you have a project on birds' colour-ringing, please email us:
  details of your project
  pictures of the rings you are using (a jpg picture between 200 and 500 kb)
  pictures of your catching and marking activities (a jpg picture between 200 and 500 kb)
  interesting life stories about an animal you put rings on
  link to sites or pages related to your project