tag:blogger.com,1999:blog-2412851395882523391.post8443511382947176891..comments2024-03-28T07:15:36.671+00:00Comments on We Bird North Wales: Returning Norwegian ringed Black-headed Gull at Llanddulas.Rob Sandhamhttp://www.blogger.com/profile/00473000342176495471noreply@blogger.comBlogger1125tag:blogger.com,1999:blog-2412851395882523391.post-3333082460286647922015-02-28T21:47:50.402+00:002015-02-28T21:47:50.402+00:00It just goes to show the benefit of ringing, espec...It just goes to show the benefit of ringing, especially with rings that are readable in the field. Cheers Rob.Stephen Culleyhttps://www.blogger.com/profile/13390868365254491000noreply@blogger.com