Lesser Black-backed Gull (graellsii & intermedius)

(last update: May 17 2015)

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Lesser Black-backed Gull graellsii ZSA.K 1CY-2CY, September 2016 - August 2017, 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 - B[ZSA.K]
Metallic ring - L925920
EURING code - 05910 - www.cr-birding.org/node/1063
Right leg (tarsus) Blue ring with a white four alpha code
Left leg (tarsus) - Metallic ring
Ringer - Eric Stienen (INBO)
Age at first ring - Pullus - Date - 2016.07.06
Place where ringed - Raversijde (VOC), West-Vlaanderen, Belgium

SPECIES
Type of bird - Larus fuscus
Age & Sexe - immature - unknown

OBSERVATION
Date of the sighting - 06.12.2016 - Time - morning
- my sightings/2016 - 5 - total of my sightings: 5
Place - Matosinhos beach, Matosinhos, Portugal
Coordinates: - 41.176885 – 8.693382

LIFE HISTORY
Date Location Observer
06/07/2016 Raversijde (VOC), West-Vlaanderen, Belgium - VOC – Oostende
11/08/2016 Raversijde (Strand), West-Vlaanderen, Belgium VOC - Oostend
23.09.2016 Leça beach, Matosinhos, Portugal – José Marques
26.09.2016 Matosinhos beach, Matosinhos, Portugal – José Marques
10.10.2016 Leixões harbour, Matosinhos, Portugal – José Marques
18.10.2016 Matosinhos beach, Matosinhos, Portugal – Armando Mota
03.11.2016 Matosinhos beach, Matosinhos, Portugal – José Marques
06.12.2016 Matosinhos beach, Matosinhos, Portugal – José Marques
17.08.2017 Leixões harbour, Matosinhos, Portugal – José Marques
31.08.2017 Matosinhos beach, Matosinhos, Portugal – José Marques

below: Lesser Black-backed Gull graellsii ZSA.K 2CY, August 31 2017, Leixões harbour, Matosinhos, Portugal. Picture: José Marques.

P7/-.

below: Lesser Black-backed Gull graellsii ZSA.K 2CY, August 17 2017, Leixões harbour, Matosinhos, Portugal. Picture: José Marques.

P7 fully grown, P10 old. Central GC missing.

below: Lesser Black-backed Gull graellsii ZSA.K 1CY, December 06 2016, Matosinhos beach, Matosinhos, Portugal. Picture: José Marques.

Visible flight feathers juvenile. All scaps replaced and post-juvenile moult in inner coverts and upper tertials.

below: Lesser Black-backed Gull graellsii ZSA.K 1CY, November 03 2016, Matosinhos beach, Matosinhos, Portugal. Picture: José Marques.

Visible flight feathers juvenile. Almost all scaps replaced and post-juvenile moult started in inner coverts.

below: Lesser Black-backed Gull graellsii ZSA.K 1CY, October 10 2016, Leixões harbour, Matosinhos, Portugal. Picture: José Marques.

Visible flight feathers juvenile. Most upper scaps replaced. Coverts juvenile.

below: Lesser Black-backed Gull graellsii ZSA.K 1CY, September 26 2016, Matosinhos beach, Matosinhos, Portugal. Picture: José Marques.

Visible flight feathers juvenile. Many upper scaps replaced, lower scaps juvenile. Coverts and tertials juvenile.

below: Lesser Black-backed Gull graellsii ZSA.K 1CY, September 23 2016, Leça beach, Matosinhos, Portugal. Picture: José Marques.

Visible flight feathers juvenile. Many upper scaps replaced, lower scaps juvenile. Coverts and tertials juvenile.