en 
Nederlands
Projects
| name | actions |
|---|---|
| Blackbird, 1 letter-ring + 2 plain rings | info |
| Blackbird, 3 colour rings + metal ring (the Netherlands - Berg en Dal) | info |
| Black-crowned Night Heron, white ring with 2 letters | info |
| Black-headed Gull, 1 ring with 2 characters | info |
| Black-headed Gull, white ring with 3 characters (first=L) | info |
| Black-headed Gull, white ring with 4 characters (first=E) | info |
| Black-headed Gull, white ring with 4 characters (first=S) | info |
| Common Buzzard, 1 red or dark green ring with 2 characters | info |
| Common Coot, 1 orange ring with 3 characters | info |
| Common Moorhen, 1 orange ring with 3 characters (first=C or S) | info |
| Common Ringed Plover, 1 white ring with 2 characters | info |
| Common Tern, white flag with 3 characters (first=N) | info |
| Common Tern (white yellow or red ring with 3 characters) | info |
| Cormorant, green ring with 3 letters (first=B or K) | info |
| Curlew, 4 plain rings and a red flag | info |
| Curlew, both legs 1 colourring with 1 character | info |
| Curlew, both legs 1 colourring with 1 character and a red flag | info |
| Curlew, white flag with 3 characters (first=H) and yelllow ring | info |
| Feral pigeon, 1 ring with 2 characters | info |
| Greenfinch, 3 colour rings + metal ring | info |
| Greenfinch, black white or orange ring with E and 1/2 plain rings | info |
| House Sparrow, dark green ring with X and 2 plain rings | info |
| Jackdaw, white ring with 4 letters (first=E) | info |
| Jackdaw, yellow ring with 4 characters (first=E) | info |
| Kentish Plover, 1 white ring with 2 characters | info |
Look at the help page for more information.
Contact helpdesk@cr-birding.org for support and more information.
