IJmuiden Project - Fred Cottaar ringing team

(last update: April 01, 2026)

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Y.FTD
NLA 5.333.568
Lesser B-backed Gull
male, pullus
ringed: July 05 1999
IJmuiden - Middensluiseiland
ringed: May 15 2026
Forteiland IJmuiden, Duintjes Zuid
 
Relations:
Y.DXP female partner 2026

Lesser Black-backed Gull (graellsii) Y.FTD adult, May 15 2026, IJmuiden, the Netherlands. Picture: IJmuiden Ringing Team.

Ringed as pullus in breeding season 1999 at Middensluiseiland, IJmuiden. Only metal ring. Ringed by Fred Cottaar ringing team.
Trapped, and ringed as breeding adult in breeding season 2026 at Forteiland, IJmuiden. Plastic ring added. Ringed by Fred Cottaar ringing team.

below: Lesser Black-backed Gull (graellsii) Y.FTD 28CY, May 15 2026, IJmuiden, the Netherlands. Picture: IJmuiden Ringing Team.

nest partner wing tarsus head-bill bill gonys greytone mass swab code
- - 430 70 122,1 55,1 18,7 11,5 844
26B02131 SERUM