Monthly Archives: August 2013

New database: importing data and building foundation

1cy Yellow-legged Gull – 20130824

Black-headed Gull White EJC5 returns to Leiden – 20130824

1cy Lesser Black-backed Gull with pink bill – 20130823

SULA article: “MOULT AND SITE-FIDELITY OF HERRING GULL „ZDGA‟ BASED ON COLOUR-RING SIGHTINGS”

1cy Lesser Black-backed Gull Black R.S – 20130820

4cy Lesser Black-backed Gull Green Y.AMM – 20130813

1cy Yellow-legged Gulls – 20130813

IJmuiden – 20130811

1cy Yellow-Legged Gull and Caspian Gull – 20130810