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Publications (23)
Group-living is widespread across diverse taxa, the mechanisms underlying collective decision-making in contexts of variable role division are critical for understanding the dynamics of group stability. While studies on collective behaviour in small animals such as fish and insects are well-established, similar research on large wild animals remain...
Group-living is widespread across diverse taxa, the mechanisms underlying collective decision-making in contexts of variable role division are critical for understanding the dynamics of group stability. While studies on collective behaviour in small animals such as fish and insects are well-established, similar research on large wild animals remain...
Prayer animal release (PAR)—a traditional “compassion‐based” religious practice of releasing captive animals into the wild to improve the karma of the releaser—has been regarded as a major anthropogenic pathway facilitating species invasions worldwide. However, comprehensive, quantitative assessments of PAR‐related invasion risks, crucial for the d...
Group living animals form striking aggregation patterns and display synchronization, polarization, and collective intelligence. Though many collective behavioural studies have been conducted on small animals like insects and fish, research on large animals is still rare due to the limited availability of field collective data. We used drones to rec...
Abstract: Alien species invasion is one of the major causes of global biodiversity loss. As the top predators of the food web, invasive alien vertebrates have dominant impacts on native species population, community structure and ecosystem functions. Based on intensive and systematic literature review, we summarize the direct (e.g., predation, comp...
The eco-system in the Qinghai-Tibet Plateau (QTP) is extremely fragile, and highly vulnerable to climate change. Knowledge of the changes in the ecological conditions is vital to mitigate the impact of climate change. In this study, we investigated the trend of ecological conditions of the QTP using the remotely sensed ecological index (RSEI), whic...
Behaviour affects an individual’s life in all aspects, e.g., enhancing fitness, leveraging predation risk, and reducing competition with conspecifics. However, the sequential distribution of behaviours received less attention and is unclear what the function of displacement behaviour is. Displacement activities can be found in vertebrate species bu...
Vigilance behavior is considered as an effective strategy for prey species to detect predators. An individual benefits from living in a group by reducing the time spent being vigilant without affecting the probability of detecting a predator. However, the mechanism producing a decrease in vigilance with increasing group size is unclear. Many models...
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...
Vigilance is an important antipredation technique that can be affected by many factors, such as body size and group size. Small animals are more vulnerable than large ones, so the former are expected to behave more vigilantly than the latter. This effect of body size on vigilance may occur inter-or intraspecifically. We studied the vigilance behavi...
Rest contributes a large part of animals’ daily life, and animals usually rest in two ways, standing or in recumbence. Small or medium sized ungulates bed to rest in most cases, and standing rest is very rare and hardly seen. Here we described a standing rest behavior of Tibetan antelopes (Pantholops hodgsonii) living on the Tibet Plateau which has...
Grooming is an important behavioral defense against tick infestation for ungulates. The ‘programmed grooming model' explains the endogenous regulation of tick‐defense grooming and predicts different inter‐ and intra‐specific grooming patterns owing to the body size principle. Here, we studied the summer grooming behaviors of two sympatric Tibetan u...
Background: Vigilance refers to the behavior of animals scanning their surroundings with a main purpose of anti-predation. Whether vigilance can serve the function of anti-predation depends on its unpredictability, meaning instantaneous randomness, sequential randomness, and independence, the three assumptions from Pulliam model (J Theor Biol 38:41...
Rest contributes to a large part of animals’ daily life, and animals usually rest in two ways, standing or in recumbence. For small or medium sized ungulates, they bed to rest in most cases, and standing rest is very rare and hardly seen. Here we described a standing rest behaviour of medium sized Tibetan antelopes (Pantholops hodgsonii) living on...
以往关于动物警戒行为的研究多以经典随机独立模型为基础，然而，近期一些理论和实证研究则向该模型发出了挑战。根据警戒行为同步性程度的不同，集体警戒可能存在基于模仿的同步警戒和避免重复的协调警戒两种模式。 研究了中国雅鲁藏布江自然保护区越冬黑颈鹤家庭群的警戒行为，通过独立样本 ｔ 检验验证由于年龄和是否携幼所导致的个体警戒水平的差异，通过单因素方差分析比较不同类型家庭群的集体警戒水平，通过配对 ｔ 检验比较集体警戒的实际观测值和独立假设下的预期值从而确定越冬黑颈鹤家庭群的警戒同步性。 结果表明家庭群中的幼年黑颈鹤警戒行为时间显著低于成年黑颈鹤，但幼鹤的存在对成鹤的警戒水平没有显著影响。 不同类型黑颈鹤家庭群的集体警戒水平没有差异，但并未如预期表现为同步警戒。警戒行为模式是动物在特定环境中的适应性表...
Sequential randomness is one of the three important assumptions for Pulliam's vigilance model (1973). Here we tested the sequential randomness in Black-necked cranes Grus nigricollis, to see if the vigilance sequence can be predicted. Not similar to other recent studies, we found that most vigilance sequences (44/46) passed runs randomness test, an...
For species that have a broad geographic distribution, adaptive variation may be attributable to gene expression plasticity. Nanorana parkeri is an anuran endemic to the southern Tibetan Plateau where it has an extensive altitudinal range (2850 to 5100 m asl). Low oxygen concentration is one of the main environmental characteristics of the Tibetan...
Hypoxia-inducible factor 1 alpha (HIF-1 alpha) and its target genes vascular endothelial growth factor (VEGF) and transferrins (TF) play an important role in native endothermic animals' adaptation to the high altitude environments. For ectothermic animals - especially frogs - it remains undetermined whether HIF-1 alpha and its target genes (VEGF an...
Vigilance is a behavior in birds that is used to detect predators and monitor rivals, and it can be affected by several environmental and social factors, including group size. Here, Black-necked Cranes (Grus nigricollis) were observed in winter in the Yarlung Zangbo Nature Reserve, Tibet, China, to examine the effect of group size on vigilance beha...
