Heuglin's Gull (L. heuglini / antelius)

(last update: 26-2-2014)

Coordinators:
Amir Ben Dov (Israel)
Chris Gibbins (Scotland)
Hannu Koskinen (Finland)
Mars Muusse (the Netherlands)

Heuglini adult, November 30 2009, northern Oman. Picture: Hans Larsson (his website).

Active moult in all flight feather tracts. P5/P9. PMS=32. Outermost secondary just dropped. Active moult in rectrices, moult almost completed. Note missing central greater coverts exposing the secondaries underneath. Mirror on P9 just a white line a little broader than the shaft.