The impact of feral horses on pronghorn behavior at water sources

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• 作者：Amy M.J. Gooch^a ; Steven L. Petersen^a ; ^{steven_petersen@byu.edu} ; Gail H. Collins^b ; Tom S. Smith^a ; Brock R. McMillan^a ; Dennis L. Eggett^c
• 关键词：Antilocapra americana ; Equus caballus ; Interference competition ; Behavioral change ; Vigilance behavior ; Water source
• 刊名：Journal of Arid Environments
• 出版年：2017
• 出版时间：March 2017
• 年：2017
• 卷：138
• 期：Complete
• 页码：38-43
• 全文大小：1148 K
• 卷排序：138

文摘

Pronghorn invested more time with vigilance behavior in the presence of horses. Pronghorn invested less time foraging and drinking in the presence of horses. Nearly ½ of pronghorn – horse interactions resulted in the exclusion of pronghorn from water. Interference competition can have detrimental impacts on pronghorn fitness.