en 
Nederlands
Projects
| name | actions |
|---|---|
| Oystercatcher, troublesome colour ring combinations | info |
| Pied Avocet, left: red 1 character ring, right: unengraved ring and white 1 character ring | info |
| Pied Avocet, left: white ring with 1 character, right: blue ring with 1 character | info |
| Pied Avocet, white ring with 2 characters and green ring | info |
| Pied Avocet, white ring with 4 letters (first=E) | info |
| Ruddy Turnstone, orange flag with 3 letters and red ring | info |
| Sandwich Tern, ring with 3 char. (first=N H A J V or 2 (with [.]) or a T N V on various positions) | info |
| Sparrowhawk, yellow ring with 3 leters | info |
| Starling, darkgreen or black ring with 2 characters | info |
| Starling, orange ring with X and 3 plain rings | info |
| Starling, yellow ring with 3 characters (first=digit) | info |
| Stonechat, orange ring with A and 2 plain rings | info |
| Tree Sparrow, ring with A and 2 plain rings | info |
| White-tailed Eagle, 1 grey or black ring with 4 characters (first=A) | info |
Look at the help page for more information.
Contact helpdesk@cr-birding.org for support and more information.
