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第七届全国野生动物生态与资源保护学术研讨会

作者： guy beauchamp Faculty of Veterinary Medicine University of Montréal

Much of the previous research on anti-predation vigilance in groups has assumed independent scanning for threats among group *** patterns that are based on monitoring the vigilance levels of companions can also be ***... 详细信息

关键词： common crane coordination family flock habitat human intrusion red crowned crane synchronisation vigilance

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Determinants of vigilance in a reintroduced population of Pere David＇s deer

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Current Zoology 2013年第2期59卷 265-270页

作者： Wei ZHENG guy beauchamp Xuelei JIANG Zhongqiu LI Qinglong YANG The State Key Laboratory of Pharmaceutical B iotechnology School of Life Science Nanjing University Nanjing 210093 China Faculty of Veterinary Medicine University of Montreal St-Hyacinthe Quebec Canada J2S 7C6 Jinling College Nanjing University Nanjing 210089 China

After being kept in captivity and isolated from natural predators for more than 1,200 years, P6re David＇s deer has been reintroduced in China and now occurs in a reserve where human activity is the only potential threat. Antipredator vigilance i~ an important component of survival for many prey animals in their natural habitat. Do deer still adjust vigilance as a function of risk after such a long period of relaxed predation pressure？ Here, we examined vigilance levels in P6re David＇s deer groups as a function of group size, sex and level of human disturbance. The results showed that individual vigilance significantly decreased with group size in all-female groups but not in all-males or mixed-sex groups. In rutting season, males compete with one another and harass females, and we argue that vigilance is partly aimed at threatening males and that such vigilance increases with group size. This explains why overall vigilance did not vary with group size for males in general and for females in mixed-sex groups. Vigilance increased in more disturbed areas but in in male deer only. The results indicate that despite relaxed predation pressure over centuries, P6re David＇s deer can still adjust antipredator responses as a function of perceived risk. Such information may become useful in the rewilding programme now under way for this species in China [Current Zoology 59 （2）： 265-270, 2013].

关键词： Antipredator vigilance Group size Human disturbance Sexual competition P6re David's deer

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Synchronization of vigilance in groups of Père David's deer

Synchronization of vigilance in groups of Père David's deer

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第十三届全国野生动物生态与资源保护学术研讨会暨第六届中国西部动物学学术研讨会

作者： Zhongqiu Li guy beauchamp Xuelei Jiang The State Key Laboratory of Pharmaceutical Biotechnology School of Life Sciences Nanjing University Faculty of Veterinary Medicine University of Montréal Jinling College Nanjing University

Models of antipredator vigilance typically assume that individuals in groups scan for threats independently of one *** theoretical and empirical developments indicate that group foragers may monitor the vigilance of companions and synchronize their *** correlates of vigilance synchronization have been explored thus

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Relaxed selection for tick-defense grooming in Père David's deer?

Relaxed selection for tick-defense grooming in Père David's...

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第十三届全国野生动物生态与资源保护学术研讨会暨第六届中国西部动物学学术研讨会

作者： Zhongqiu Li guy beauchamp Michael S.Mooring School of Life Sciences Nanjing University Faculty of Veterinary Medicine University of Montreal Department of Biology Point Loma Nazarene University

Relaxed selection following extirpation of predators or as a consequence of captive breeding may result in the loss of adaptive antipredator *** propose that it is equally possible for relaxed selection to result in the loss or reduced effectiveness of parasite-defense behaviors such as *** infestation is a powerful force for the

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Short-term temporal decrease in vigilance of foraging Père David's deer

Short-term temporal decrease in vigilance of foraging Père ...

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第十三届全国野生动物生态与资源保护学术研讨会暨第六届中国西部动物学学术研讨会

作者： Zhongqiu Li Daniel T.Blumstein guy beauchamp The State Key Laboratory of Pharmaceutical Biotechnology School of Life Sciences Nanjing University Department of Ecology and Evolutionary Biology University of California621 Young Drive SouthLos Angeles 90095-1606USA Faculty of Veterinary Medicine University of Montréal

Recent vigilance models predict animals should decrease vigilance with time if perceived risk decreases over time,but few studies have been conducted to explore the short-term temporal patterns of vigilance in the *** observed Père David’s deer(Elaphurus davidianus Milne-Edwards,1866),a species re-introduced into an area without natural

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Determinants of vigilance in a reintroduced population of Père David's deer

Determinants of vigilance in a reintroduced population of P...

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第十三届全国野生动物生态与资源保护学术研讨会暨第六届中国西部动物学学术研讨会

作者： Wei Zheng guy beauchamp Xuelei Jiang Zhongqiu Li Qinglong Yang The State Key Laboratory of Pharmaceutical Biotechnology School of Life Sciences Nanjing University Faculty of Veterinary Medicine University of Montréal Jinling College Nanjing University

After being kept in captivity and isolated from natural predators for more than 1200 years,Père David’s deer has been reintroduced in China and now occurs in a reserve where human activity is the only potential *** vigilance is an important component of survival for many prey animals in their natural *** deer still adjust vigilance as a function of risk after such a long period of relaxed predation pressure?Here,we examined vigilance

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