2cy Caspian Gulls



Caspian Gull - Larus cachinnans

1: © Ruud Altenburg, 21-05-03. 2cy cachinnans. This bird was ringed as a pullus on 27-05-02 in Jankowice, Poland.


Caspian Gull - Larus cachinnans

2: © Ruud Altenburg, 23-05-07.


Caspian Gull - Larus cachinnans

3: © Ruud Altenburg, 23-05-07. Ring unfortunately not read but probably Polish.


Caspian Gull - Larus cachinnans

4: © Ruud Altenburg, 23-05-07. A worn and bleached bird with adult-like upperparts.


Caspian Gull - Larus cachinnans

Caspian Gull - Larus cachinnans

5-6: © Ruud Altenburg, 23-05-07. Green 103P, ringed as pullus at Jankowice, Poland. Further details will be added when I receive them.


Caspian Gull - Larus cachinnans

7: © Ruud Altenburg, 25-05-07.


Caspian Gull - Larus cachinnans

8: © Ruud Altenburg, 25-05-07. Note the many new wing coverts and tertials.


Caspian Gull - Larus cachinnans

9: © Ruud Altenburg, 25-05-07.


Caspian Gull - Larus cachinnans

10: © Ruud Altenburg, 25-05-07.


Caspian Gull - Larus cachinnans

11: © Ruud Altenburg, 25-05-07.


Caspian Gull - Larus cachinnans

12: © Ruud Altenburg, 25-05-07. Kiev T00222x, ringed as a pullus in the Ukraine, probably in Kanivska GES.


Caspian Gull - Larus cachinnans

13: © Ruud Altenburg, 25-05-07. Green 080P, ringed as pullus at Jankowice, Poland. Further details will be added when I receive them.


Caspian Gull - Larus cachinnans

14: © Ruud Altenburg, 30-05-03. This bird already shows unmarked, adult-like wing coverts.