Tuesday, 7 March 2023

20230307 Herring Gull argentatus & Eastern Common Gull, NWT Cley Marshes. Med Gull, Thornage

 

20230307 
2 strickingly dark backed birds.
Gray primary tongues show clearly on both birds.

20230307
KGS value?

20230225 argentatus Herring Gull
Sheringham.
Note larger nostril of this hefty bird.

20230306 Common Gull
Some features of heinei, but eastern cline better...
Streaked hood not helpful.
Note pale iris and yellow in bill and legs.

20230306 Common Gull

20230306 Common Gull
Much black in wing tip...

20230301 Herring Gull
4th summer bird and as argenteus, small primary tips and slim build, but with plae yellow legs....??
Thornage. Muck spreeding on fields. 

20230301 Med Gull 
2 adults with 2000 BHGull, Thornage.

20230302 BHGull
2000 on plough.

20230303 Med Gull
Pair still, Thornage.


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