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

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Date: 2012-04-01 17:47:08 Biota Behavior Ethology Predation Livestock Behavioural sciences Behavioral ecology Vigilance Anti-predator adaptation Flight zone Sheep Bighorn sheep		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 Source URL: alejandrofridecology.weebly.com Download Document from Source Website File Size: 287,16 KB Share Document 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 DocID: 1qVEC - View Document
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