Lesser Black-backed Gull (graellsii & intermedius)

(last update: May 17 2015)

Lesser Black-backed Gull graellsii 0R0:C 2CY, June & July 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 - W[0R0:C]
Metallic ring - GV21651
EURING code - 05910 www.cr-birding.org/node/1067
Right leg (tarsus) Metallic ring
Left leg (tarsus) - White ring with red 4 alpha-numeric code
Ringer - Iain Livingstone
Age at first ring - pullus - Date - 2016.06.25
Place where ringed - Horse Isle Ardrossan, Scotland
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SPECIES
Type of bird - Larus fuscus (Lesser Black-backed Gull)
Age & Sexe - immature - unknown
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OBSERVATION
Date of the sighting - 09.06.2017 - Time - morning
- my sightings/2017 - 1 - total of my sightings: 1
Place - Leixões harbour, Matosinhos, Portugal
Coordinates: - 41.1823988, -8.6970061
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LIFE HISTORY
Date Location Observer
09.06.2017- Leixões harbour, Portugal – José Marques
2017.07.18 Leixões harbour, Matosinhos, Portugal - José Marques

below: Lesser Black-backed Gull graellsii 0R0:C 2CY, July 18 2017, Leixões harbour, Matosinhos, Portugal. Picture: José Marques.

P6/P9. Secondary moult started.

below: Lesser Black-backed Gull graellsii 0R0:C 2CY, June 09 2017, Leixões harbour, Matosinhos, Portugal. Picture: José Marques.

Complete moult started, reflected by the fresh coverts. Few innner covert still old 2nd gen, and coverts in carpal edge are old juvenile.