1CY Caspian Gull Red HHT0 – 20191110
IJmuiden Lesser Black-backed Gulls fitted with GPS-loggers – update November 2019
Marked Birds Database – what’s coming up?
Marked Birds Database – Version 2.5.0 available
Marked Birds Database Manual – Working with bird relations
IJmuiden Lesser Black-backed Gulls fitted with GPS-loggers – update September 2019
Marked Birds Database – Version 2.4.0 available
IJmuiden Lesser Black-backed Gulls fitted with GPS-loggers – update 29 August 2019
Final visit to the IJmuiden Forteiland colony this season – 21090826
IJmuiden Lesser Black-backed Gulls fitted with GPS-loggers – update 12 August 2019
