Observation details (#522193)
| species | Black-headed Gull - Chroicocephalus ridibundus |
| animal | |
| project | Black-headed Gull, white ring with 4 characters (first=E) |
| date | Dec. 29, 2017 12:55 p.m. |
| capture | no |
| is certain | yes |
| condition | alive and healthy |
| observer | Bernadette Balten |
| coordinator |
Frank Majoor
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|
| region | NL07 Groningen |
| location | Groningen, Kardinge - zwemplas |
| permanent link | submit.cr-birding.org/observations/522193/JvglIlFWqsmkhpnEKncu/ |
Additional data
| age | adult |
| blackness of head cap |
x: 6.6000 y: 53.2389 accuracy: 14m
| shorthand | W-EFC7 |
| left or right leg, tarsus (below) | white normal ring EFC7 |
|
EFC7
|



