Lesser Black-backed Gull (graellsii & intermedius)

(last update: May 17 2015)

Lesser Black-backed Gull graellsii Y.AFD 1CY, August 22 2008, IJmuiden, the Netherlands.

Ringed Lesser Black-backed Gull Y.AFD from Forteiland, IJmuiden. Ringed by Fred & Kees as juvenile on June 30 2008.
Scapular Moult Score: Upper Scapulars (us) 0-25% 2nd generation on both left and right side; Lower Scapulars (ls) 0% 2nd gen right and 0-25% 2g left side; total scapular score: 0-25% 2nd generation. Prims & Secs all juv, R4 left missing, rest all juv. 
Left side: . tt 1-6 juv, gc 1-16 juv (gc16 last visible), mc 1-13 juv (mc13 last visi), llc 1-13 juv (llc13 last visi), lc 100% juv (70% visi).
Right:. tt 1-6 juv, gc 1-16 juv (gc16 last visi), mc 1-13 juv (mc13 last visi), llc 1-14 juv (llc14 last visi), lc 100% juv (70% visi).

The IJmuiden Ringing Team (Fred & Kees) have ringed again several Herring Gulls and Lesser Black-backed Gulls at Forteiland, IJmuiden in 2008. This time green darvic rings have been attached, starting with Y for borh species (so codes read Y.xxx). Early in the season, adults were caught at the nests and ringed, late June 2008 several juveniles were caught and ringed as well. This page shows an example of birds from this IJmuiden project. All observations of ringed birds from this project can be sent to Kees Camphuysen at NIOZ, Texel (mail camphuys at nioz dot nl).