This is a guillemot (Uri aalge). A seabird found along the Scandinavian coast. This fellow is suffering from a leg injury and recoverying at a small animal rehabilitation centre north of Stockholm in Sweden.
According to Ann Novek, who sent in the photograph, some birds are more relaxed with a mirror for company.
Jennifer Marohasy BSc PhD has worked in industry and government. She is currently researching a novel technique for long-range weather forecasting funded by the B. Macfie Family Foundation.