Observation details (#1152783)
| species | Black-headed Gull - Chroicocephalus ridibundus |
| animal | |
| project | Black-headed Gull, white ring with 4 characters (first=E) |
| date | Feb. 14, 2021 4:25 p.m. |
| capture | no |
| is certain | yes |
| condition | alive and healthy |
| observer | Henk van Huffelen |
| coordinator |
Frank Majoor
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|
| region | NL07 Groningen |
| location | Groningen, Oostersluis |
| permanent link | submit.cr-birding.org/observations/1152783/XEhhcrf5uuuAxDF92mw7/ |
Additional data
| age | unknown |
| blackness of head cap |
x: 6.5965 y: 53.2235 accuracy: unknown
| shorthand | W-EFC7 |
| left or right leg, tarsus (below) | white normal ring EFC7 |
|
EFC7
|
