Lesser Black-backed Gull (graellsii & intermedius)

(last update: May 17 2015)

Lesser Black-backed Gull intermedius J665R 2CY, June 22 2017, Leixões Harbour, 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[J665R]
Metallic ring - 4280765
EURING code - 05910 - www.cr-birding.org/node/1145
Right leg (tarsus) – Black ring with a white five alpha-numeric code
Left leg (tarsus) - Metallic ring
Ringer (s) - Thomas Bentsen - Klaus Maløya Torland
Age at first ring - pullus - Date - 2016.07.11
Place where ringed - Valløy, Mandal, Vest-Agder, Norway
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SPECIES
Type of bird - Larus fuscus intermedius
Age & Sexe - immarure - unknown
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OBSERVATION
Date of the sighting - 22.06.2017 - Time - morning
- my sightings/2017 - 1 - total of my sightings: 1
Place - Leixões Harbour, Matosinhos, Portugal
Coordinates: - 41°10'55"N 008°41'52"W
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LIFE HISTORY
Date Location Observer
11.07.2016 Valløy, Mandal, Vest-Agder, Norway– Ringers
22.06.2017 Leixões Harbour, Matosinhos, Portugal – José Marques

Bird returned with extensive post-juvenile moult from wintering grounds, including many wing-coverts and upper tertials replaced.
Now complete moult has commenced, with new 3rd gen central MC growing in, and at the same time the outer GC are replaced for 2nd gen.