Distribution / Range
Breed in Iceland, Norway, the Faroe Islands and the Scottish islands, with a few on mainland Scotland, and migrate south to winter at sea in the Atlantic Ocean and regularly reaching North American waters.
This large seabird measures about 50–58cm in length and has a wingspan of about 125–140cm. Their tail is short and blunt.
Adults have a streaked greyish brown plumage, with a black cap.
Immature birds have a warmer brown plumage and are unstreaked below.