Lesser Black-backed Gull (graellsii & intermedius)

(last update: May 17 2015)

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LBBG rings

lbbg 1cy May
lbbg 1cy June
lbbg 1cy July
lbbg 1cy August
lbbg 1cy September
lbbg 1cy October
lbbg 1cy November
lbbg 1cy December

lbbg 2cy January
lbbg 2cy February
lbbg 2cy Mar-April
lbbg 2cy May
lbbg 2cy June
lbbg 2cy July
lbbg 2cy August
lbbg 2cy September
lbbg 2cy October
lbbg 2cy Nov - Dec

lbbg 3cy Jan-April
lbbg 3cy May
lbbg 3cy June
lbbg 3cy July
lbbg 3cy August
lbbg 3cy September
lbbg 3cy October
lbbg 3cy Nov - Dec

lbbg sub-ad Jan-April
lbbg sub-ad May
lbbg sub-ad June
lbbg sub-ad July
lbbg sub-ad Aug
lbbg sub-ad Sept
lbbg sub-ad Oct
lbbg sub-ad Nov
lbbg sub-ad Dec

lbbg adult January
lbbg adult February
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lbbg adult April
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lbbg adult August
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lbbg adult October
lbbg adult Nov - Dec

Lesser Black-backed Gull graellsii RLA.S 2CY, March - July 2016, Leixões harbour, Matosinhos, Portugal. Picture: José Marques.

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

OBSERVATION REPORT
∞
RINGS
Color ring - B[RLA.S]
Metallic ring - L916321
EURING:
-Age code - 5
-Species 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 - 2015.07.08
Place where ringed - Zeebrugge, West-Vlaanderen, Belgium
∞
SPECIES
Type of bird - Larus fuscus
Age & Sexe - 1y - unknown
∞
OBSERVATION
Date of the sighting - 12/07/2016 - my sightings/2016 - 4
Place - Leixões harbour, Matosinhos, Portugal
Coordinates: - 41.1823988,-8.6970061
∞
LIFE HISTORY
Date - Location - Observer
08/07/2015 - Zeebrugge (Voorhaven), West-Vlaanderen, Belgium - INBO
25/09/2015 - Oostende (Windmolenwerf), West-Vlaanderen, Belgium - Baert, Jan
03/11/2015 - Póvoa de Varzim, Douro Litoral, Portugal - Hälterlein, Bernd
09/01/2016 - Vila Nova de Gaia (Afurada), Douro Litoral, Portugal - José Marques
11/01/2016 - Vila Nova de Gaia (Strand), Douro Litoral, Portugal – Armando Mota
08/03/2016 - Leixões harbour, Matosinhos, Portugal – José Marques
08/04/2016 - Leixões harbour, Matosinhos Portugal – José Marques
12/07/2016 - Leixões harbour, Matosinhos Portugal – José Marques

below: Lesser Black-backed Gull graellsii RLA.S 2CY, July 12 2016, Leixões harbour, Matosinhos, Portugal. Picture: José Marques.

P6 new / P9-P10 old. Compare to April and notice that 2nd gen coverts are not (yet) all mouled again, although an ordinary sequence would already include these feathers.

below: Lesser Black-backed Gull graellsii RLA.S 2CY, April 08 2016, Leixões harbour, Matosinhos, Portugal. Picture: José Marques.

below: Lesser Black-backed Gull graellsii RLA.S 2CY, March 08 2016, Leixões harbour, Matosinhos, Portugal. Picture: José Marques.

Extensive post-juvenile moult in late winter (new coverts relatively fresh and buffish).