Common Murre (Uria aalge albionis)
Orkney - May 2003
© Arthur Grosset

Common Murre (Uria aalge albionis) - bridled variety
Westray Orkney - May 2003
© Arthur Grosset

Common Murre (Uria aalge albionis) - bridled variety
Westray Orkney - May 2003
© Arthur Grosset

Common Murre (Uria aalge albionis) - winter plumage
Musselburgh, East Lothian, Scotland - October 2002
© Arthur Grosset