Lesser Black-backed Gull (graellsii & intermedius)

(last update: May 17 2015)

Lesser Black-backed Gull graellsii HE7E3 1CY-3CY, October 2015 - March 2017, the Netherlands & Portugal. Picture: Mars Muusse & José Marques.

From the transition zone between graellsii and intermedius.

Please visit José's FLICKR PHOTO STREAM and also José Blog "Seabirds Portugal".

OBSERVATION REPORT
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RINGS
Color ring - Y[HE7E3]
Metallic ring - N110073
EURING code - 05910 - www.cr-birding.org/node/1440
Right leg (tarsus) - Yellow ring with a black 5 alpha-numeric code
Left leg (tarsus) - Metallic ring
Ringer - Dr. Martens Sönke
Age at first ring - immature - Date - 2015.07.07
Place where ringed - Langeoog/Dreebargen/NDS, Germany
∞
SPECIES
Type of bird - Larus fuscus
Age & Sexe - immature - unknown
∞
OBSERVATION
Date of the sighting: 23.12.2016 - Time: morning
my sightings/2016: 4 - total of my sightings: 4
Place - Matosinhos beach, Matosinhos, Portugal
Coordinates: - 41.176885 – 8.693382
∞
LIFE HISTORY
Date - Location - Observer
25.09.2015 Scheveningen , NL - Loeve, M.
20.10.2015 Scheveningen, NL - Muusse, M.
22.10.2015 Katwijk an Zee, NL - Marijnis, A.
28.02.2016 Estuario do Douro, Vila Nova de Gaia, PORTUGAL - Mota, Luis
15.03.2016 Afurada, V.N.Gaia,PORTUGAL - Marques, José
17.06.2016 Leixões harbour,Matosinhos,PORTUGAL - Marques, José
28.06.2016 Leixões harbour,Matosinhos,PORTUGAL - Marques, José
23.12.2016 Matosinhos Beach,Matosinhos,PORTUGAL - Marques, José
09.03.2017 Leixões harbour,Matosinhos,PORTUGAL - Marques, José

below: Lesser Black-backed Gull graellsii HE7E3 3CY, March 09 2017, Leixões harbour, Matosinhos, Portugal. Picture: José Marques.

Graellsii like development of the plumage.

below: Lesser Black-backed Gull graellsii HE7E3 2CY, December 23 2016, Matosinhos Beach, Matosinhos, Portugal. Picture: José Marques.

Graellsii like development of the plumage. 3rd gen like tail. Note extensive partial autumn moult in MC and inner GC.

below: Lesser Black-backed Gull graellsii HE7E3 2CY, June 28 2016, Leixões harbour, Matosinhos, Portugal. Picture: José Marques.

P7-P10 old.

below: Lesser Black-backed Gull graellsii HE7E3 2CY, June 17 2016, Leixões harbour, Matosinhos, Portugal. Picture: José Marques.

P6-P10 old.

below: Lesser Black-backed Gull graellsii HE7E3 2CY, March 15 2016, Afurada, V.N.Gaia, Portugal. Picture: José Marques.

Scaps replaced. Coverts and tertials juvenile.

below: Lesser Black-backed Gull graellsii HE7E3 1CY, October 20 2015, Scheveningen, the Netherlands.