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)

ID 2cy heuglini research

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heuglini 1cy Aug
heuglini 1cy Sept
heuglini 1cy Oct
heuglini 1cy Nov
heuglini 1cy Dec

heuglini 2cy Jan
heuglini 2cy Febr
heuglini 2cy March
heuglini 2cy April
heuglini 2cy May
heuglini 2cy June
heuglini 2cy July
heuglini 2cy Aug
heuglini 2cy Sept
heuglini 2cy Oct
heuglini 2cy Nov
heuglini 2cy Dec

heuglini 3cy Jan
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heuglini 3cy April
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heuglini 3cy Aug
heuglini 3cy Sept
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heuglini 3cy Nov
heuglini 3cy Dec

heuglini sub-ad Jan
heuglini sub-ad Febr
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heuglini sub-ad April
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heuglini sub-ad July
heuglini sub-ad Aug
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heuglini ad Jan
heuglini ad Febr
heuglini ad March
heuglini ad April
heuglini ad May
heuglini ad June
heuglini ad July
heuglini ad Aug
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heuglini ad Dec

Heuglini 1cy, November 30 2009, northern Oman. Picture: Hans Larsson (his website).

Juvenile plumage by late November, but moult in scapulars started. US: 50-75%, LS: 1-25%, TOT SCAPS: 25-50%. Tertials and wing-coverts juvenile. Bill base starts to turn paler. Obvious piano-key pattern on inner gc.