first calendar year: October
Last update of
this page: 27-09-05 12:13
By October, many Lesser Black-backed Gulls have left the
colonies and surrounding feeding grounds near the Maasvlakte (the
Netherlands) and migrate south towards France, Portugal and Morocco. Many
first winter birds present in the Netherlands have moved in from northern
breeding grounds in Southern Scandinavia: south tip of Norway (Vest-Agder,
Kristiansand), SW Sweden (Bohuslän to Malmö), northern Germany (Helgoland)
and Denmark. At least these intermedius LBBG may stay in the
Netherlands in winter, as proved a Swedish ringed individual, seen at
December 21 2000 at Westkapelle. During late fall and early winter we did
some surveys in the south of the Netherlands at the Maasvlakte (port of
Rotterdam) and along the
coast at Westkapelle, 65 km south of the Maasvlakte (see
map). More details can be found at the distribution Section.
The juvenile - first winter Lesser
Black-backed Gulls present in October originate from all directions:
Belgium and Britain (resembling the race graellsii, see for
instance picture 4), local Dutch LBBG (known as Dutch intergrades, like
the colour-ringed individual in picture 3) and Scandinavian LBBG of the
race intermedius.
|
LBBG 1cy: Dutch
intergrade
|
LBBG
1cy, October 13 2001, Westkapelle, the Netherlands. Most
probably ringed in Belgium.
|
LBBG
1cy BLB
L-96724 October 22 2001, Westkapelle, the Netherlands.
Ringed in Belgium: Bruxelles
L-96724. |
LBBG 1cy
L-107467 October
05 2004, Westkapelle, the Netherlands. Picture Pim Wolf. |
LBBG
1cy BLB
H-124795 October
04 2002, Le Portel, France.
Ringed in Belgium: Bruxelles H-124795. |
LBBG 1cy
L-901341 October
21 2004, Westkapelle, the
Netherlands. Picture Pim Wolf. |
LBBG 1cy
L-901593 October
01 2004, Westkapelle, the Netherlands. Picture Pim Wolf. |
LBBG 1cy
L-901962 October
21 2004, Westkapelle, the
Netherlands. Picture Pim Wolf. |
LBBG 1cy
L-xxx October
07 2004, Westkapelle, the Netherlands. Picture Pim Wolf. |
LBBG 1cy
NLA 5.333.412 October 27 2000, Westkapelle, the
Netherlands. Photo by Pim Wolf. |
LBBG 1cy
NLA 5.410.093 October
17 2002, Scheveningen, the Netherlands. |
LBBG 1cy
NLA 5.412.205 October
21 2004, Westkapelle, the
Netherlands. Picture Pim Wolf. |
LBBG 1cy
NLA 5.412.253 October
21 2004, Westkapelle, the
Netherlands. Picture Pim Wolf. |
LBBG 1cy
NLA 5.412.308 October
21 2004, Westkapelle, the
Netherlands. Picture Pim Wolf. |
LBBG
1cy E528
October 01 2001, Le Portel, France. A first cy ringed at
Maasvlakte, the Netherlands: E528. This bird remained at this location at
least until July 2002. |
LBBG 1cy: intermedius
|
LBBG
intermedius 1cy
DEH 4285021 October
19 2004, Westkapelle, the
Netherlands. Picture Pim Wolf.
|
LBBG
intermedius 1cy
DEH 428501x October
04 2004, Westkapelle, the Netherlands. Picture Pim Wolf.
|
LBBG
intermedius 1cy Copenhagen
4272489 October 25 1999, Westkapelle, the Netherlands. Ringed as pullus in
Denmark. Photo by Pim Wolf. |
LBBG
intermedius 1cy
JR6P October
01 2004, Westkapelle, the
Netherlands. Picture Pim Wolf. |
LBBG
intermedius 1cy
JM20 October
09 2001, Westkapelle, the Netherlands. Picture Pim Wolf. |
unringed LBBG 1cy
|
30+
unringed 1cy LBBG, October 22 2001, Westkapelle, the
Netherlands. |