Very small marinus

[totoguti]

Hi All:
Yesterday 12.10.2010 at Pantín Beach (NW Spain) the smallest Larus marinus I ´ve ever seen...... BLACK J0283 was ringed as pullus at Udvaare, Lindesnes, S Norway. Same size as our little michahellis and Larus fuscus......
Best Wishes
Antonio Gutierrez

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Have you seen any marinus as tiny as this one???

[Cristian Mihai]

Hi Antonio,

Here is a subadult GBB Gull with a size similar with the one of an Yellow-legged Gull:
http://www.birdforum.net/attachment.php ... 1199798118
http://www.birdforum.net/attachment.php ... 1199799284

[Ruud Altenburg]

If I look at e.g. the bill and tail I seriously wonder if this wasn't a mixup with a Herring pullus...

[Cristian Mihai]

...and the jizz also doesn't look good for a GBBG...

[NHLore]

To me it's pretty obvious that it's not an GBBGull. As Ruud have pointed out I allso beleave it's a mix with tatus.
If you look away from the fact that it has been ringed as a GBBG, what would you have id'ed it as?
As the colony are a mix of GBBGulls, tatus and LBBGulls, can a hybrid with LBBG be ruled out for sure?

[Theo Muusse]

Or a pure lbbg?

Theo

[Ruud Altenburg]

It's hard to see the 'real colours' of this bird in the pictures but I think Theo is spot on. Male LBBG looks like the best option.

[totoguti]

Hi; another pic with the most reliable colours.....

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No pics with spread wings.....
Antonio