large gulls
blue ring with 4 letters (third=A or O)
Details
| coordinator |
Eric Stienen
send e-mail
|
| website | none |
| cr-birding | https://cr-birding.org/node/337 |
| ring area | Belgium and The Netherlands (Groningen and Lauwersoog) |
| animals | 13507 |
| observations | 195056, of which 14863 are captures |
| ringed in | 1986 to 2025 |
Example bird
|
Z.ROT
|
Shorthand: B-Z.ROT
explanation
This is an arbitrary example of a bird that might not exist.
