en 
Nederlands
Projects
| name | actions |
|---|---|
| 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 |
| Kentish Plover, 1 yellow flag 2 characters and blue marker | info |
| Kestrel, lime ring with 3 letters | info |
| large gulls, blue ring with 4 letters (third=A or O) | info |
| Little Ringed Plover, 1 colour ring with 2 characters | info |
| Little Tern, darkgreen ring with 3 characters (first=N) | info |
| 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 (first=E) | info |
| Oystercatcher, 1 inscription-ring and 1 plain ring | info |
| Oystercatcher, 1 letter-ring + 2 plain rings | info |
| Oystercatcher, 2 inscription-rings + tarsus ring | info |
| Oystercatcher, 2 inscription-rings + tibia ring | info |
| Oystercatcher, 5 plain rings | info |
| Oystercatcher, bar-ring | info |
Look at the help page for more information.
Contact helpdesk@cr-birding.org for support and more information.
