Embedded Files
A significant rarity locally, which is perhaps surprising given the species breeding range and long migratory flights within North America.
First Cycle
June
July
August
September
October
November
December
January
Vagrant first year birds often show few gray "first basic" feathers - indicating they may be from northerly nesting regions and/or unwell.
February
March
April
May
Second Cycle
The change from first to second cycle depends on the timing of the start of the inner primary molt. May/June is used here as an inaccurate / arbitrary cutoff.
June
July
August
September
October
November
December
January
February
March
April
May
Third Cycle / Adult
Through their molt into third cycle plumage, Mew Gulls obtain an "adult" plumage for the rest of their lives.
June
July
August
September
October
November
December
January
February
March
April
May
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