en 
Nederlands
Projects
| name | actions |
|---|---|
| Mallard, 1 white ring with 2 digits + 1 letter | info |
| Mallard, white ring with 2 letters | info |
| Mandarin Duck, 1 yellow ring with 2 characters | info |
| Mew Gull, white ring with 4 characters (first=E) | info |
| Northern Lapwing, 1 pale blue flag with 2 characters | info |
| Northern Lapwing, 1 pale blue flag with 2 characters and orange marker | info |
| Northern Lapwing, 1 white flag with 2 characters and orange marker | info |
| Northern Lapwing, both legs 1 colourring with 1 character | info |
| Northern Lapwing, white ring with 4 characters | 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 |
| Sandwich Tern, ring with 3 characters (first=N H A or 2 (with [.]) or a T on various positions) | 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.
