T. H. Clutton-Brock, J. M. Pemberton, "Soay Sheep: Dynamics and Selection in an Island Population"
English | ISBN 10: 0521823005 | 2004 | PDF | 396 pages | 8.2 MB
Unlike most other large mammals, the Soay sheep population of Hirta in the St. Kilda archipelago show persistent oscillations, sometimes increasing or declining by more than 60% in a year.