nominate Lesser Black-backed Gull (L. f. fuscus)(last update: |
|
Amir Ben Dov (Israel) Hannu Koskinen (Finland) Mars Muusse (the Netherlands) fuscus 1cy July fuscus 2cy Jan fuscus 3cy Jan fuscus 4cy Jan fuscus ad Jan |
Larus fuscus fuscus C3Y1 2008-2011, Ashdod, Israel. Pictures Amir Ben Dov. Bird ringed in Finland, on May 14 1999 at Rautalampi as +2cy. By 2008, C3Y1 is a mature adult, but note the large amount of black on the bill and obvious streaking in the neck. P10 almost fully grown, still has to grow an inch or so. Complete moult almost finished. above: adult C3Y1, February 15 2008, Ashdod, Israel. Picture Amir Ben Dov. below: adult C3Y1, November 16 2009, Ashdod, Israel. Pictures Amir Ben Dov. P5 fully grown and P6 almost as long as P5. P7 just visible, about 1/3 of its final length. P8-P10 still old. Outermost secondary dropped and probably also the central tail feathers. below: adult C3Y1, January 20 2010, Ashdod, Israel. Pictures Amir Ben Dov. P8 fully grown and P9 almost as long as P6. P10 also visible, about 1/3 of its final length and with a relatively small mirror. Secondary moult gap about to close; tail complete. below: adult C3Y1 February 26 2011, Ashdod, Israel. Pictures Amir Ben Dov. P10 fully grown. below: adult C3Y1 March 08 2011, Ashdod, Israel. Pictures Amir Ben Dov. P10 with small mirror. Black on bill in mature adult. |