The Mousa reference article from the English Wikipedia on 24-Apr-2004
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Mousa

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Mousa is a small island in Shetland, uninhabited since the nineteenth century. The island is best known for the Mousa Broch Iron Age tower.

Mousa is also known for its wildlife, including grey and common seals, guillemots, arctic terns and storm petrels. Ferries sail from the islans to Leebitton near Sandwick on the Shetland Mainland.