Presumed Heuglin's Gull L heuglini

Heuglin's Gull - Larus heuglini

1-3: © Visa Rauste, 13-05-06; 4-5: © Visa Rauste, 06-05-06. Tampere, Finland.

A bird showing darker, plain but no adult-type feathers. Concerning pattern they are comparable to the worn second generation wing coverts in the previous bird.