Heuglin's Gull (L. heuglini / antelius)

(last update: 1-3-2011)
Coordinators:
Amir Ben Dov (Israel)
Chris Gibbins (Scotland)
Hannu Koskinen (Finland)
Mars Muusse (the Netherlands)

ID 2cy heuglini research

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heuglini 3cy April 29 2007, Tampere, Tarastenjarvi (Tara) dump, SW Finland. Image: Hannu Koskinen.

3cy heuglini, note already adult-type P6 with white tip in left wing and replaced P1 in right wing. Checkered pattern of typical 3rd gen-like tail feathers, combined with adult-like white feathers. Secondaries show piano-key pattern, with "2nd gen type" feathers with extensive dark centres and 3rd gen type feathers which are more adult-like. Primaries, except left P6 and right P1, typical 2nd gen and no mirror on P10. Upper-parts already adult-like grey.