nominate Lesser Black-backed Gull (L. f. fuscus)

(last update: 1-1-2010)

Amir Ben Dov (Israel)
Hannu Koskinen (Finland)
Mars Muusse (the Netherlands)

fuscus rings

fuscus 1cy July
fuscus 1cy Aug
fuscus 1cy Sept
fuscus 1cy Oct
fuscus 1cy Nov
fuscus 1cy Dec

fuscus 2cy Jan
fuscus 2cy Feb
fuscus 2cy March
fuscus 2cy April
fuscus 2cy May
fuscus 2cy June
fuscus 2cy July
fuscus 2cy Aug
fuscus 2cy Sept
fuscus 2cy Oct
fuscus 2cy Nov

fuscus 2cy Dec

fuscus 3cy Jan
fuscus 3cy Feb
fuscus 3cy March
fuscus 3cy April
fuscus 3cy May
fuscus 3cy June
fuscus 3cy July
fuscus 3cy August

fuscus 3cy Sept

fuscus 3cy October
fuscus 3cy Nov
fuscus 3cy Dec

fuscus 4cy Jan
fuscus 4cy Feb
fuscus 4cy March
fuscus 4cy April
fuscus 4cy May
fuscus 4cy June
fuscus 4cy July
fuscus 4cy Aug
fuscus 4cy Sept

fuscus 4cy Oct
fuscus 4cy Nov
fuscus 4cy Dec

fuscus ad Jan
fuscus ad Feb
fuscus ad March
fuscus ad April
fuscus ad May
fuscus ad June
fuscus ad July
fuscus ad Aug
fuscus unringed Aug
fuscus ad Sept
fuscus ad Oct
fuscus ad Nov
fuscus ad Dec

Larus fuscus intermedius 2cy J941 September 02 2007, IJmuiden, the Netherlands. Picture: Ruud Altenburg.

J941 is a 2cy, ringed in 2006 on Svarthellaren, Loppa, Finnmark, Norway (70°21'30"N 021°23'54"E). Moult timing is much in line with intermedius, as is the western migration route. However, on both points it is much too early to sure, as pure fuscus-type birds have been rediscovered along the western migration route, and very slow moulting 2cy birds (similar to this J941) have been recorded in Israel!

The most northern location for the Norwegian ringing program is the island Loppa in Finnmark, much similar to Nordfugløy in Troms. Here you find a Lesser Black-backed Gull colony of about 50 pairs (50% pale-mantled and 50% fuscus-type) in cloudberry mires, about 200 meters above sea level.

The ringing program on Loppa started in 2003, when juveniles were ringed. On this island, 93 pulli were ringed in the last years (2005: 13, 2006: 47, 2007: 33, 2008: 0). From 2003 to 2008, 112 juveniles were ringed here (14 ring readings outside the breeding range up to May 2008) and 5 adults (of which one was rediscovered).

More information about migration strategies in Norwegian fuscus and the ringing programme in the three northern counties of Norway: Nordland, Troms and Finnmark, can be found here: The summary for juveniles can be found in the fuscus 1cy October section, the summary for adults can be found in the fuscus adult October section.
Morten Helberg, Geir Systad, Ingve Birkeland, Nils Lorentzen & Jan Bustnes published an article about this research in Ardea 97, 2009, titled: Migration patterns of adult and juvenile Lesser Black-backed Gulls Larus fuscus from northern Norway. The complete PDF can be found HERE.