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Picture:


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Picture information:
Bird species: European Herring Gull - (Larus argentatus)
Bird species (IOC): European Herring Gull (Larus argentatus) - species factsheet
Voice: Voices can be found here (external link).
Title / info: 2cy -see picture info
Location: Nexø havn, Bornholm, Denmark
Date: 25th March 2008
Picture info: My first idea when I saw this gull standing was lesser black backed ssp intermedius but strikingly the scaps don´t fit with anything. After a closer look and discussion with a couple of others it seem that its probably a herring gull. Here below is a couple of comments and further comments are very welcome:

From Pim Wolf (www.gull-research.org):
oefff, yes i THINK it's a Herring Gull but not a type i see over here
with any regularity. Structure is OK for Herring and on moult this
looks like it should be a southern argentatus argentatus but that's a
real guess. Like you say, the GC's have a LBBG like pattern but the
scaps and neck and head striping are almost YLG like, with tertials
that could fit either.

from Klaus Malling:
Visse måger er ret håbløse, og der kan argumenteres i det uendelige for og
imod den given bestemmelse.
Fuglen må være udklækket ret sent på året, da den fortsat er ret frisk i
dragten; mange Sølvmåger begynder at vise tydelige tegn på slidt nu, men
ikke denne.
Hele ryggen er skiftet. De nye fjer har for lys grå grundfarve til at passe
på de Sildemåger af alle former, jeg hidtil har set. I hvertfald fuscus har
desuden meget mere udvandet overgang mellem mørkt og lyst. Denne ligner mest
Sølvmåge. Resten af dragten er ret mørk, men der er nok intet der helt
udelukker Sølvmåge, selvom den ikke er lige i øjet.
Undersiden er ret lys, og der anes en mørk maske omkring øjnene, ligesom
håndsvingfjerene er ret sorte i bundfarven. Dette passer ikke helt med de
fleste Sølvmåger - men igen: de fleste. Den kombination, fuglen har, får mig
til at mindes besøget i Turku for en del år siden, hvor jeg brugte et par
dage på at studere unge Sølvmåger. Mange var klart afvigende fra vores
gængse billede, og havde således et udseende, der minder om din fugls. Mit
bedste bud er indtil videre, at det er en Sølvmåge af nordøstlig oprindelse,
f.eks. fra nordlige del af Østersøen; nordlig p.g.a. dragtens fine
almentilstand. Helt sikker bliver man dog aldrig på måger, der ikke helt
ligner det de burde...

Picture setup: Canon 40D + 100-400IS L
Photographer: Sune Riis Sørensen, Denmark
Uploaded: 1st April 2008
Hits: The picture has been viewed 2396 times.
Danish List Ranking: Seen by 1257 out of 1510 persons in total!



Comments:

Jan Ingvaedt Jörgensen writes Tuesday April 1st 2008, 9:35 pm
Agree with Pim and Klaus,for the reasons made, Herring Gull is the best choice.

Have a look at Hannu Koskinens very good site for some variation in Finnish juv/first winter Herring Gulls along with many heuglini candidates and others.

http://www.elisanet.fi/hj.koskinen/index2007.html

JanJ



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