Lesser Black-backed Gull (graellsii & intermedius)

(last update: May 17 2015)

Lesser Black-backed Gull intermedius J658N 2CY, October 06 2016, Matosinhos Beach, Matosinhos, Portugal. Picture: José Marques.

Please visit José's FLICKR PHOTO STREAM and also José Blog "Seabirds Portugal".

OBSERVATION REPORT
∞
RINGS
Color ring - N[J658N]
Metallic ring - 4276340
EURING code - 05910 - www.cr-birding.org/node/1152
Right leg (tarsus) - Black ring with a white five alpha-numeric code
Left leg (tarsus) - Metallic ring
Ringers - Helberg, Morten - Lome, Carsten
Age at first ring - Pullus - Date - 2015.06.18
Place where ringed - Søndre Skjælholmen, Nesodden, Akershus & Oslo, Norway
∞
SPECIES
Type of bird - Larus fuscus
Age & Sexe - immature - unknown
∞
OBSERVATION
Date of the sighting - 06.10.2016 - Time - morning
my sightings/2016: 1 - total of my sightings: 1
Place - Matosinhos beach, Matosinhos, Portugal
Coordinates: - 41.176885 – 8.693382
∞
LIFE HISTORY
Date Location Observer
18.06.2015 - Søndre Skjælholmen, Nesodden, Akershus & Oslo, Norway (ringed)
10.10.2015 - Lariño Beach, Carnota, La Coruña, Spain – Ramsés Pérez
22.09.2016- Cap-Gris-Nez, Pas-de-Calais, France – Jean Michel Sauvage
06.10.2016 - Matosinhos beach, Matosinhos, Portugal – José Marques

Probably, due to an extensive post-juvenile moult in late winter (1st winter), the complete moult in summer followed a 'jumpy strategy' which now resulted in a more or less random mix of fresh dark grey and worn faded brown coverts.

P9 fully grown, P10 still old juvenile.