High Quality Content by WIKIPEDIA articles! Mingulay (Scottish Gaelic: Miughalaigh,pronounced ) is the second largest of the Bishop`s Isles in the Outer Hebrides of Scotland. Located 12 miles (19 km) south of Barra, it is known for its important seabird populations, including puffins, Black-legged Kittiwakes, and razorbills, which nest in the sea-cliffs, amongst the highest in the British Isles.