Thick-billed Murre (Uria lomvia) - adult summer
Svörtuloft, Iceland - June 22, 2006
© Martin Lofgren

Thick-billed Murre (Uria lomvia) - adult summer
Svörtuloft, Iceland - June 22, 2006
© Martin Lofgren

Thick-billed Murre (Uria lomvia) - winter
Sweden
© Fredrik Hansson