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Unpredictability of vigilance in two sympatric Tibetan ungulates

机译：两个合并藏族unoculates的警惕性的不可预测性

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摘要

Vigilance is important for anti-predation, and different animals adopt different vigilance strategies. Instantaneous and sequential randomness in vigilance behavior are two main principles for the classic Pulliam model (1973). Given this context, we studied the vigilance behaviors in two wild cloven-hoofed animals, the Tibetan antelope (Pantholops hodgsonii) and the Tibetan gazelle (Procapra picticaudata) on Qinghai-Tibet Plateau, to explore if the two randomness principles work across species. The results showed that the distribution of inter-scan intervals of both Tibetan antelope and Tibetan gazelle followed the negative exponential distribution; inter-scans of both Tibetan antelope and Tibetan gazelle were unrelated with their previous scan, and most sequences of inter-scan intervals could be considered as random organized or unpredictable. In conclusion, the vigilance patterns of Tibetan antelope and Tibetan gazelle followed instantaneous randomness and sequential randomness of Pulliam model. A random vigilance strategy might be the best choice for Tibetan ungulates, and how to distinguish the social vigilance from anti-predator vigilance is an important issue for future research.
机译：警惕对抗掠夺非常重要，不同的动物采用不同的警惕策略。警惕行为中的瞬时和顺序随机性是Classic Pulliam型号的两个主要原则（1973）。鉴于这一背景，我们研究了两只野生偶联蹄动物，藏羚羊（Pantholops Hodgsonii）和青藏高原的藏瞪羚（Procapra Picticaudata）的警惕行为，如果两个随机性原则在物种上工作。结果表明，藏羚羊和藏瞪羚的扫描间隔的分布遵循负指数分布;西藏羚羊和西藏瞪羚的扫描间与其先前的扫描无关，并且大多数扫描间隔的序列可以被认为是随机组织或不可预测的。总之，藏羚羊和西藏瞪羚的警惕模式沿瞬间随机性和苏联模型的顺序随机性。随机警惕策略可能是藏的联合国最佳选择，如何区分抗捕食者警惕的社会警惕是未来研究的重要问题。

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