Lesser Black-backed Gull (graellsii & intermedius)

(last update: May 17 2015)

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Lesser Black-backed Gull intermedius JS26 8+cy, October 10 2004, Westkapelle, the Netherlands. Picture by Pim Wolf.

Ringed as adult on the nest in 2011 in Vest-Agder, S Norway.

In many respects an adult intermedius although the primaries look pale brown and lacking an obvious P10 mirror, reminiscent of immature birds. Blue ring from Norway, probably ringed at Vest-Agder, southernmost Norway. Primary moult score slightly behind for mid October, compared to western graellsii: P6 full-grown, P7 at the length of P4 and P8-P10 still old. Upper tertials and wing-coverts moulted as well in the ordinary sequence of the complete moult; fresh feathers standing out against the brown and worn old feathers. The yellow iris shows no speckling and the orbital ring is red. The legs are yellow.

Bird already observed at IJmuiden beach, 03 October 2003: P5/P8, P6>P4.

CR-Code Dark blue ring with white code: JS26 LBM;RBBW(JS26)
Ringing Centre Stavanger Museum (Norway) Ring number 4235298
Species Lesser Black-backed Gull (intermedius)  Larus fuscus intermedius
Sex Unknown Age 5 cy+


Date

Place

Coordinates

Observers

Days/km/°

18.06 2001

Steinsøy, Mandal, Vest-Agder, Norway

57°59'47"N 007°23'57"E

Bentsen, Thomas
Lorentzen, Nils Helge

-

21.08 2001

Storøy, Mandal, Vest-Agder, Norway

57°59'37"N 007°26'10"E

Bentsen, Thomas
Lie Pedersen, Martin

64/2/98

10.04 2002

Brennevinsmyra, Mandal, Vest-Agder, Norway

58°01'04"N 007°30'33"E

Jåbekk, Runar
Jørgensen, Finn

296/7/69

02.05 2002

Brennevinsmyra, Mandal, Vest-Agder, Norway

58°01'04"N 007°30'33"E

Jåbekk, Runar
Jørgensen, Finn

318/7/69

12.05 2002

Storøy, Mandal, Vest-Agder, Norway

57°59'37"N 007°26'10"E

Bentsen, Thomas
Lie Pedersen, Martin

328/2/98

19.05 2002

Storøy, Mandal, Vest-Agder, Norway

57°59'37"N 007°26'10"E

Flesjå, Inge
Helberg, Morten
Lorentzen, Nils Helge

335/2/98

24.05 2002

Storøy, Mandal, Vest-Agder, Norway

57°59'37"N 007°26'10"E

Helberg, Morten
Jåbekk, Runar

340/2/98

10.06 2002

Brennevinsmyra, Mandal, Vest-Agder, Norway

58°01'04"N 007°30'33"E

Jørgensen, Finn

357/7/69

11.06 2002

Brennevinsmyra, Mandal, Vest-Agder, Norway

58°01'04"N 007°30'33"E

Helberg, Morten
Jørgensen, Finn

358/7/69

12.06 2002

Storøy, Mandal, Vest-Agder, Norway

57°59'37"N 007°26'10"E

Helberg, Morten
Jørgensen, Finn
Lorentzen, Nils Helge

359/2/98

19.06 2002

Brennevinsmyra, Mandal, Vest-Agder, Norway

58°01'04"N 007°30'33"E

Jørgensen, Finn

366/7/69

28.06 2002

Brennevinsmyra, Mandal, Vest-Agder, Norway

58°01'04"N 007°30'33"E

Bentsen, Thomas
Jørgensen, Finn

375/7/69

14.04 2003

Brennevinsmyra, Mandal, Vest-Agder, Norway

58°01'04"N 007°30'33"E

Bentsen, Thomas
Lie Pedersen, Martin

665/7/69

12.05 2003

Brennevinsmyra, Mandal, Vest-Agder, Norway

58°01'04"N 007°30'33"E

Flesjå, Inge
Jørgensen, Finn

693/7/69

07.06 2003

Storøy, Mandal, Vest-Agder, Norway

57°59'37"N 007°26'10"E

Bentsen, Thomas
Lorentzen, Nils Helge

719/2/98

06.08 2003

Brennevinsmyra, Mandal, Vest-Agder, Norway

58°01'04"N 007°30'33"E

Jørgensen, Finn

779/7/69

02.10 2003

IJmuiden Strand, Noord-Holland, The Netherlands

52°26'24"N 004°33'29"E

Muusse, Mars

836/644/197

22.04 2004

Brennevinsmyra, Mandal, Vest-Agder, Norway

58°01'04"N 007°30'33"E

Jørgensen, Finn
Maløya Torland, Klaus

1039/7/69

10.10 2004

Westkapelle, Walcheren, Zeeland, The Netherlands

51°31'48"N 003°26'04"E

Wolf, Pim

1210/762/201

10.10 2004

westkapelle, Zeeland, The Netherlands

51°31'00"N 003°26'00"E

Muusse, Mars

1210/764/201

07.08 2005

Storøy, Mandal, Vest-Agder, Norway

57°59'37"N 007°26'10"E

Bentsen, Thomas
Lie Pedersen, Martin

1511/2/98

10.04 2006

Brennevinsmyra, Mandal, Vest-Agder, Norway

58°01'04"N 007°30'33"E

Helberg, Morten

1757/7/69

24.04 2006

Storøy, Mandal, Vest-Agder, Norway

57°59'37"N 007°26'10"E

Bentsen, Thomas
Lie Pedersen, Martin

1771/2/98

06.05 2006

Brennevinsmyra, Mandal, Vest-Agder, Norway

58°01'04"N 007°30'33"E

Bentsen, Thomas
Lie Pedersen, Martin

1783/7/69

15.05 2006

Brennevinsmyra, Mandal, Vest-Agder, Norway

58°01'04"N 007°30'33"E

Helberg, Morten
Jørgensen, Finn

1792/7/69

19.05 2006

Brennevinsmyra, Mandal, Vest-Agder, Norway

58°01'04"N 007°30'33"E

Flesjå, Inge
Jørgensen, Finn

1796/7/69

27.06 2006

Brennevinsmyra, Mandal, Vest-Agder, Norway

58°01'04"N 007°30'33"E

Helberg, Morten
Jørgensen, Finn

1835/7/69

12.07 2006

Brennevinsmyra, Mandal, Vest-Agder, Norway

58°01'04"N 007°30'33"E

Bentsen, Thomas

1850/7/69

22.08 2006

Brennevinsmyra, Mandal, Vest-Agder, Norway

58°01'04"N 007°30'33"E

Jørgensen, Finn

1891/7/69

28.08 2006

Brennevinsmyra, Mandal, Vest-Agder, Norway

58°01'04"N 007°30'33"E

Bentsen, Thomas

1897/7/69

06.09 2006

Brennevinsmyra, Mandal, Vest-Agder, Norway

58°01'04"N 007°30'33"E

Jørgensen, Finn

1906/7/69

23.04 2007

Brennevinsmyra, Mandal, Vest-Agder, Norway

58°01'04"N 007°30'33"E

Bentsen, Thomas
Lie Pedersen, Martin

2135/7/69

23.05 2007

Brennevinsmyra, Mandal, Vest-Agder, Norway

58°01'04"N 007°30'33"E

Bentsen, Thomas

2165/7/69

29.05 2007

Storøy, Mandal, Vest-Agder, Norway

57°59'37"N 007°26'10"E

Bentsen, Thomas
Helberg, Morten

2171/2/98

23.07 2007

Brennevinsmyra, Mandal, Vest-Agder, Norway

58°01'04"N 007°30'33"E

Bentsen, Thomas
Flesjå, Inge

2226/7/69

21.04 2008

Storøy, Mandal, Vest-Agder, Norway

57°59'37"N 007°26'10"E

Helberg, Morten
Lie Pedersen, Martin

2499/2/98

06.05 2008

Brennevinsmyra, Mandal, Vest-Agder, Norway

58°01'04"N 007°30'33"E

Jørgensen, Finn

2514/7/69

09.05 2008

Brennevinsmyra, Mandal, Vest-Agder, Norway

58°01'04"N 007°30'33"E

Jørgensen, Finn
Wiblemo-Jørgensen, Gordon

2517/7/69

27.06 2008

Storøy, Mandal, Vest-Agder, Norway

57°59'37"N 007°26'10"E

Helberg, Morten
Pedersen, Lars R.

2566/2/98

04.08 2008

Brennevinsmyra, Mandal, Vest-Agder, Norway

58°01'04"N 007°30'33"E

Flesjå, Inge
Helberg, Morten

2604/7/69

16.08 2008

Brennevinsmyra, Mandal, Vest-Agder, Norway

58°01'04"N 007°30'33"E

Bentsen, Thomas
Flesjå, Inge

2616/7/69