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基于历史的动物行为:亚洲猎豹是否是专性瞪羚猎手?

Animal behavior informed by history: Was the Asiatic cheetah an obligate gazelle hunter?

机构信息

Durrell Institute of Conservation and Ecology, School of Anthropology and Conservation, University of Kent, Kent, United Kingdom.

Department of Biology, University of Oxford, Oxford, United Kingdom.

出版信息

PLoS One. 2023 Apr 20;18(4):e0284593. doi: 10.1371/journal.pone.0284593. eCollection 2023.

Abstract

Understanding key ecological adaptations, such as foraging, when a predator is almost extinct is complex. Nonetheless, that information is vital for the recovery of the persisting individuals. Therefore, reviewing historical, ethnobiological and recent records can assist in exploring the species behavioral ecology. We applied this approach to Asiatic cheetahs (Acinonyx jubatus venaticus), which once roamed most west and central Asian countries but now is confined to a few dozens in Iran, at historical (pre-1970) and recent (post-1970) scales. We addressed a widely popular perception that Asiatic cheetahs were subjected to prey shifts from gazelles (Gazella spp.) in open plains areas to urial (Ovis vignei) in mountains because of gazelle populations declines due to anthropogenic influences. We also quantified recent prey choice of Asiatic cheetahs and their behavioral plasticity in foraging different prey species types. Although ethnobiological and historical records suggested that gazelle species were the main prey for cheetahs across their Asian range. However, urial were also commonly reported to be hunted by cheetahs across their historical Asian range, showing that the predation on mountain ungulates is not an emerging hunting behavior in Asiatic cheetahs. We found spatiotemporal plasticity in recent hunting behavior of cheetahs with selective predation on adult urial males. There was temporal overlap in hunting times for plains dwelling versus mountain ungulates, albeit with some minor differences with morning mostly for gazelles while the predation on mountain ungulates was predominantly post-midday. We provided three management implications for the recovery and restoration of cheetahs in Asia. Our work highlighted the importance of historical studies in informing the behavioral ecology of rare species.

摘要

了解关键的生态适应,如捕食行为,当捕食者几乎灭绝时,这是复杂的。尽管如此,这些信息对于恢复残存个体至关重要。因此,回顾历史、民族生物学和最近的记录可以帮助探索物种的行为生态学。我们应用这种方法研究亚洲猎豹(Acinonyx jubatus venaticus),它们曾经在大多数西亚和中亚国家游荡,但现在只在伊朗有几十只。我们探讨了一个普遍的看法,即由于人类活动导致羚羊种群减少,亚洲猎豹从开阔平原地区的羚羊(Gazella spp.)转变为山区的盘羊(Ovis vignei)。我们还量化了亚洲猎豹最近的猎物选择及其在不同猎物物种类型中觅食的行为可塑性。尽管民族生物学和历史记录表明,羚羊物种是猎豹在整个亚洲范围内的主要猎物,但在亚洲历史范围内,盘羊也常被报道为猎豹的猎物,这表明捕食山区有蹄类动物不是亚洲猎豹新出现的捕食行为。我们发现,亚洲猎豹最近的狩猎行为具有时空可塑性,对成年盘羊雄性的选择性捕食。平原动物和山区有蹄类动物的狩猎时间有时间重叠,尽管存在一些细微差异,早上主要捕食羚羊,而山区有蹄类动物的捕食主要在午后。我们为亚洲猎豹的恢复和保护提供了三个管理启示。我们的工作强调了历史研究在为稀有物种的行为生态学提供信息方面的重要性。

https://cdn.ncbi.nlm.nih.gov/pmc/blobs/5cbe/10118182/41c79cffe0cf/pone.0284593.g001.jpg

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