Lesser Black-backed Gull (graellsii & intermedius)

(last update: May 17 2015)

Lesser Black-backed Gull intermedius J965Z 2CY, February & September 2017, Gaia & 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[J965Z]
Metallic ring - 4280235
EURING code - 05910 - www.cr-birding.org/node/793
Right leg (tarsus) – Metallic ring
Left leg (tarsus) - Black ring with a white five-alpha numeric code
Ringer - Morten Helberg - Carsten Lome
Age at first ring - Pullus - Date - 2016.07.10
Place where ringed - Raudskjæra, Asker, Akershus & Oslo, Norway
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SPECIES
Type of bird - Larus fuscus
Age & Sexe - Immature - Unknown
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OBSERVATION
Date of the sighting - 07.02.2017 - Time - afternoon
- my sightings/2017 - 1 - total of my sightings: 1
Place - Aguda beach, V.N.Gaia, Portugal
Coordinates: - 41.0257 – 8.3920
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LIFE HISTORY
Date Location Observer
10.07.2016 Raudskjæra, Asker, Akershus & Oslo, Norway – ringers
04.08.2016 Raudskjæra, Asker, Akershus & Oslo, Norway - Molværsmyr, Sindre - Opedal, Vemund
11.09.2016 Sandstranda, Krokstadelva, Nedre Eiker, Buskerud, Norway - Lome, Carsten - Mikalsen, Christoffer - Molværsmyr, Sindre
07/02/2017 Aguda beach, V.N.Gaia, Portugal – José
26/09/2017 Matosinhos beach, Matosinhos, Portugal – José Marques

below: Lesser Black-backed Gull intermedius J965Z 2CY, September 26 2017, Matosinhos beach, Matosinhos, Portugal. Picture: José Marques.

P10 growing, and in right wing P1 3rd generation. Interestingly, this was a retarded bird last winter (graellsii-type rasther than intermedius-type).

below: Lesser Black-backed Gull intermedius J965Z 2CY, February 07 2017, Aguda beach - Gaia, Portugal. Picture: José Marques.

Most scaps replaced, coverts and tertials still juvenile.