Anim. Behav., 1997, 53, 799–808 Vigilance by female Dall’s sheep: interactions between predation risk factors ALEJANDRO FRID Department of Animal Science, University of British Columbia, Canada (Received 7 December - Predation - Document - PDFSEARCH.IO

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	Anim. Behav., 1997, 53, 799–808 Vigilance by female Dall’s sheep: interactions between predation risk factors ALEJANDRO FRID Department of Animal Science, University of British Columbia, Canada (Received 7 December Add to Reading List Document Date: 2012-04-01 17:47:08 Open Document File Size: 287,16 KB Share Result on Facebook

Anim. Behav., 1997, 53, 799–808 Vigilance by female Dall’s sheep: interactions between predation risk factors ALEJANDRO FRID Department of Animal Science, University of British Columbia, Canada (Received 7 December Add to Reading List