This song belongs to the fairy songs tradition and was used as a milking song or lullaby. Colin's cattle referred to in the song are the deer.
2 verses sung. See: 'Folksongs and Folklore of South Uist' (M.F.Shaw) Song p. 54 'The Gesto Collection' (K.N.MacDonald) pp. 19 and 38 'One Hundred and Five Songs of Occupation from the Western Isles of Scotland' (F. Tolmie) Song 84