Lesser Black-backed Gull (graellsii & intermedius)

(last update: May 17 2015)

Lesser Black-backed Gull graellsii F:410 2CY, May - September 2017, Matosinhos, Portugal. Picture: José Marques.

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OBSERVATION REPORT
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RINGS
Color ring - B[F:410]
Metallic ring - FJ14410
EURING code -
Right leg (tarsus) – Metallic ring
Left leg (tarsus) - Blue ring with a white four alpha-numeric code
Ringer - Viola Ross
Age at first ring - pullus - Date - 2016.06.25
Place where ringed - Flat Holm Island, Cardiff, England
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SPECIES
Type of bird - Larus fuscus
Age & Sexe - immature - unknown
∞
OBSERVATION
Date of the sighting - 06.09.2017 - Time - morning
- my sightings/2017 - 8 - total of my sightings: 9
Place - Matosinhos beach, Matosinhos, Portugal
Coordinates: - 41.176885 – 8.693382
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LIFE HISTORY
Date Location Observer
25.06.2016 Flat Holm Island, Cardiff, England – RJF
31.10.2016 Espinho Beach, Espinho, Aveiro, Portugal - Peter Rock, Inocêncio Oliveira & José Marques
01.11.2016 Espinho Beach, Espinho, Aveiro, Portugal - DS3
01.01.2017 Matosinhos beach, Matosinhos, Portugal – Richard Bonser & José Marques
30.05.2017 Leixões harbour, Matosinhos, Portugal – José Marques
31.05.2017 Espinho, Aveiro, Portugal – Manuel Petiz
09.06.2017 Leixões harbour, Matosinhos, Portugal – José Marques
18.06.2017 Matosinhos, Porto, Portugal – Luis Mota
23.06.2017 Leixões harbour, Matosinhos, Portugal – José Marques
18.07.2017 Leixões harbour, Matosinhos, Portugal – José Marques
25.07.2017 Leixões harbour, Matosinhos, Portugal – José Marques
17.08.2017 Leixões harbour, Matosinhos, Portugal – José Marques
06.09.2017 Matosinhos beach, Matosinhos, Portugal – José Marques
15.09.2017 Matosinhos beach, Matosinhos, Portugal – José Marques
19.09.2017 Matosinhos beach, Matosinhos, Portugal – José Marques

below: Lesser Black-backed Gull graellsii F:410 2CY, September 19 2017, Matosinhos beach, Matosinhos, Portugal. Picture: José Marques.

below: Lesser Black-backed Gull graellsii F:410 2CY, September 15 2017, Matosinhos beach, Matosinhos, Portugal. Picture: José Marques.

below: Lesser Black-backed Gull graellsii F:410 2CY, September 06 2017, Matosinhos beach, Matosinhos, Portugal. Picture: José Marques.

P9=P8. Partial moult obvious in upper TT, inner GC, many MC.

below: Lesser Black-backed Gull graellsii F:410 2CY, August 17 2017, Leixões harbour, Matosinhos, Portugal. Picture: José Marques.

P7 fully grown. New moult wave started in upper tertial, central MC and inner GC (partial autumn moult in 2CY autumn birds).

below: Lesser Black-backed Gull graellsii F:410 2CY, July 25 2017, Leixões harbour, Matosinhos, Portugal. Picture: José Marques.

P6/P9. Moult gap in central GC closed.

below: Lesser Black-backed Gull graellsii F:410 2CY, July 18 2017, Leixões harbour, Matosinhos, Portugal. Picture: José Marques.

P6/P9. Moult gap in central GC closed.

below: Lesser Black-backed Gull graellsii F:410 2CY, June 23 2017, Leixões harbour, Matosinhos, Portugal. Picture: José Marques.

below: Lesser Black-backed Gull graellsii F:410 2CY, June 09 2017, Leixões harbour, Matosinhos, Portugal. Picture: José Marques.

Complete moult started, reflected by the fresh coverts, obviously in better condition than the old juvenile coverts.

below: Lesser Black-backed Gull graellsii F:410 2CY, May 30 2017, Leixões harbour, Matosinhos, Portugal. Picture: José Marques.