Lesser Black-backed Gull (graellsii & intermedius)

(last update: May 17 2015)

Lesser Black-backed Gull graellsii M+R 2CY, June & September 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 - R[M+R]
Metallic ring - GV43506
EURING: - 05910 - www.cr-birding.org/node/1251
Right leg (tarsus) – Red ring with a white two alpha code
Left leg (tarsus) - Metallic ring
Ringer - Peter Rock
Age at first ring - 01S - Date - 2016.07.06
Place where ringed - Burnham-on-Sea, Somerset, England
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SPECIES
Type of bird - Larus fuscus
Age & Sexe - Immature - Female
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OBSERVATION
Date of the sighting - 23.06.2017 - Time - morning
- my sightings/2017 - 1 - total of my sightings: 1
Place - Leixões harbour, Matosinhos, Portugal
Coordinates: - 41.1823988, -8.6970061
Notes:
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LIFE HISTORY
Date - Location - Observer
06.07.2016 - Rehabilitated by Secret World, Burnham-on-Sea, UK - ringer
23.06.2017 – Leixões Harbour, Matosinhos, Portugal – José Marques
16.08.2017 Espinho, Aveiro, Portugal – Manuel Petiz
12.09.2017 Matosinhos beach, Matosinhos, Portugal – José Marques

below: Lesser Black-backed Gull graellsii M+R 2CY, September 12 2017, Matosinhos beach, Matosinhos, Portugal. Picture: José Marques.

Partial moult started in wing-coverts.

below: Lesser Black-backed Gull graellsii M+R 2CY, June 23 2017, Leixões Harbour, Matosinhos, Portugal. Picture: José Marques.

Advanced complete moult: P5/P8. Bird must have included several inner coverts in post-juvenile moult last winter, these coverts now older than adjacent feathers.