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 | Lesser Black-backed Gull graellsii  ND  adult, May  2015 & May 2016, Katwijk-Noordwijk, the Netherlands. Picture: Merijn Loeve & Mars Muusse.Ringed metal Arnhem NLA 5.508.374 and plastic tibia green ND. Ringed as  adult breeding female (>4CY) on May 29 2015 at   Katwijk (Piet Heinlaan),  the Netherlands (52.12 N 04.24 E).  Recoveries:21-8-2015 Noordwijk (Vuiloverslag), Zuid-Holland, NL 5.213,00 N 426,00 E colourring read Maarten van Kleinwee
 5-9-2015 Colmenar Viejo (Vuilstort), Madrid, SPANJE 4.039,00 N 343,00 W colourring read Juan M. Ruiz
 6-9-2015 Colmenar Viejo (Vuilstort), Madrid, SPANJE 4.039,00 N 343,00 W colourring read Gabi Martin
 19-9-2015 Colmenar Viejo (Vuilstort), Madrid, SPANJE 4.039,00 N 343,00 W colourring read Miguel Juan
 26-9-2015 Colmenar Viejo (Vuilstort), Madrid, SPANJE 4.039,00 N 343,00 W colourring read Juan M. Ruiz
 3-10-2015 Colmenar Viejo (Vuilstort), Madrid, SPANJE 4.039,00 N 343,00 W colourring read Delfin Gonzalez
 10-10-2015 Colmenar Viejo (Vuilstort), Madrid, SPANJE 4.039,00 N 343,00 W colourring read Juan M. Ruiz
 18-10-2015 Colmenar Viejo (Vuilstort), Madrid, SPANJE 4.039,00 N 343,00 W colourring read José Antonio Matesanz
 24-10-2015 Colmenar Viejo (Vuilstort), Madrid, SPANJE 4.039,00 N 343,00 W colourring read Miguel Juan
 1-11-2015 Colmenar Viejo (Vuilstort), Madrid, SPANJE 4.039,00 N 343,00 W colourring read Juan M. Ruiz
 22-11-2015 Colmenar Viejo (Vuilstort), Madrid, SPANJE 4.039,00 N 343,00 W colourring read Delfin Gonzalez
 6-12-2015 Colmenar Viejo (Vuilstort), Madrid, SPANJE 4.039,00 N 343,00 W colourring read Juan M. Ruiz
 9-1-2016 Colmenar Viejo (Vuilstort), Madrid, SPANJE 4.039,00 N 343,00 W colourring read Miguel Juan
 28-2-2016 Colmenar Viejo (Vuilstort), Madrid, SPANJE 4.039,00 N 343,00 W colourring read Juan M. Ruiz
 20-5-2016 Noordwijk (Vuiloverslag), Zuid-Holland, NL 5.213,00 N 426,00 E colourring read Mars Muusse
 below: Lesser Black-backed Gull graellsii  ND adult, May 29 2015, Katwijk, the Netherlands. Picture: Merijn Loeve.Lesser Black-backed Gull, ringed as rooftop breeding adult in municipality Katwijk. Ringed by ringing team Roland-Jan Buijs, see BLOG BUIJS (in Dutch). Black: P4-P10. Mirror: P10. PMS: 1. Orbital: red. RUM: no. BOM: L. Speckling: 5-10%. 
 
 
 
 
 below: Lesser Black-backed Gull graellsii ND adult, May 19 2016, Noordwijk, the Netherlands. 
 
 
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