Photographs: Our friend Murdo Macdonald of Island Cruising who has taken us to St. Kilda on numerous occassions keeps us updated with photos of sheep on Soay and Boreray.  He has a new high power lense for the 2010 season of cruises and has promised us even better images of  the sheep on the islands in the future.

Jewell, P.A., Milner, C. and Boyd, J. Morton., ed. Island.Survivors: the Ecology of the Soay Sheep of St.Kilda. London: Athlone Press, 1974. (out of print)
ISBN 0 485 1114 1

Love, John A., A Natural History of St. Kilda, Edinburgh: Berlinn. Ltd., 2009
ISBN 978 1 84158 797 4