Lesser Black-backed Gull (graellsii & intermedius)

(last update: May 17 2015)

Lesser Black-backed Gull intermedius JAA08 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
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RINGS
Color ring - N[JAA08]
Metallic ring - 4267688
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 - Bentsen, Thomas - Maløya Torland, Klaus
Age at first ring - Pullus - Date - 2015.07.27
Place where ringed - Store Slettingen, Mandal, Vest-Agder, Norway
∞
SPECIES
Type of bird - Larus fuscus intermedius
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
27.07.2015 Store Slettingen, Mandal, Vest-Agder, Norway - (ringers)
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.