From overlooking to concealed: predator avoidance in an apex carnivore

被引：26
|
作者：
Wam, H. K. [1 ,2 ]
Eldegard, K. [1 ]
Hjeljord, O. [1 ]
机构：
[1] Norwegian Univ Life Sci, Dept Ecol & Nat Resource Management, N-1432 As, Norway
[2] Norwegian Inst Agr & Environm Res, Organ Food & Farming Div, N-6630 Tingvoll, Norway
来源：
EUROPEAN JOURNAL OF WILDLIFE RESEARCH | 2012年 / 58卷 / 06期
关键词：
Human activity; Landscape of fear; Predation risk; WOLVES; HUMANS; DISTURBANCE;
D O I：
10.1007/s10344-012-0670-y
中图分类号：
Q14 [生态学（生物生态学）];
学科分类号：
071012 ; 0713 ;
摘要：
Many prey species select bed sites that reduce the risk of being caught off guard. We investigated bed sites used by an apex predator (gray wolf, Canis lupus) before and after individuals were approached by humans (N = 48 trials). On 9 out of 10 days, the unprovoked wolves rested at sites high in the terrain with a good overview (overlooking sites). After being approached, they resettled on more concealed sites lower in the terrain. Solitary yearlings used less overlooking sites than adults both before and after disturbance. The study provides experimental evidence that wolves' behavioural response to approaching humans is analogous to predator avoidance in prey species.
引用
收藏
页码：1001 / 1003
页数：3
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