Observation details (#560113)
| species | Black-headed Gull - Chroicocephalus ridibundus |
| animal | |
| project | Black-headed Gull, white ring with 4 characters (first=E) |
| date | March 4, 2018 |
| capture | no |
| is certain | yes |
| condition | alive and healthy |
| observer | Willem van der Waal |
| coordinator |
Frank Majoor
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|
| region | NL14 Noord-Holland |
| location | Amstel/Omval Amsterdam |
| permanent link | submit.cr-birding.org/observations/560113/IF53oIJjWveNs2FelXoq/ |
Additional data
| age | unknown |
| blackness of head cap |
x: 4.9173 y: 52.3407 accuracy: 58m
| shorthand | W-E9CM |
| left or right leg, tarsus (below) | white normal ring E9CM |
|
E9CM
|
