| Titre : | New longevity records of Black-headed Gull, with comments on wear and loss of aluminium rings |
| Auteurs : | Klaas van Dijk, Auteur ; René Oosterhuis, Auteur ; Benny Middendorp, Auteur ; Frank Majoor, Auteur |
| Type de document : | Article |
| Dans : | Dutch Birding (34(1) 2012) |
| Article en page(s) : | 20–31 |
| Résumé : | 21 food to an open area near the colony; see Middendorp (2009) for details. On that day, BM saw a ringed adult with an unfamiliar ring number and he could read the inscription (Arnhem 3.275. 396) with his telescope. BM observed the bird at Benthuizerplas on 11 other days in |



