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兽栏中的腐肉:猎豹()在人工管理种群中食腐事件及潜在原因的多重观察

Carrion in Bomas: Multiple Observations of Cheetah () Scavenging Events and Potential Causes in Managed Populations.

作者信息

Overton Elizabeth Kennedy, Davis Robert S, Prugnolle Franck, Rougeron Virginie, Honiball Terry-Lee, Sievert Olivia, Venter Jan A

机构信息

Department of Conservation Management Nelson Mandela University, George Campus George Western Cape South Africa.

International Research Laboratory REHABS, CNRS-Université Lyon 1-NMU, George Campus George South Africa.

出版信息

Ecol Evol. 2025 Jan 8;15(1):e70776. doi: 10.1002/ece3.70776. eCollection 2025 Jan.

Abstract

Facultative scavenging can be observed across a large range of carnivorous mammals but is an uncommon behavioural trait in cheetahs (). Very few incidents of cheetahs scavenging have been reported, with no explanation given as to why it may occur. In this paper, we provide three more observations of cheetahs scavenging between 2019 and 2023 in three different protected areas in South Africa and Malawi. We suggest a common factor between these observations, namely that all adult individuals involved were temporarily housed in holding enclosures (bomas) during relocation processes and were provisioned with carrion as supplemental feed. The observed scavenging events could also have been influenced by the easy access to food in a situation where food acquisition was potentially difficult (i.e. old age, loss of hunting partner, mother with cubs). We hypothesise that these contributing factors, combined with the prior exposure of the adult individuals to eating carrion, could be a potential explanation for our observations of cheetahs scavenging. These observations provide a basis for further research into cheetah scavenging behaviour and the potential impacts of translocations that require prolonged holding periods on wildlife behaviour post-release. Understanding these behavioural shifts is crucial for cheetah conservation, as successful reintroduction efforts depend on the ability of cheetahs to adapt to new environments and food acquisition strategies.

摘要

兼性食腐行为在多种食肉哺乳动物中都能观察到,但在猎豹中却是一种罕见的行为特征()。很少有猎豹食腐的事件被报道,也没有对其可能发生的原因给出解释。在本文中,我们提供了2019年至2023年期间在南非和马拉维的三个不同保护区内猎豹食腐的另外三个观察案例。我们指出这些观察案例之间的一个共同因素,即所有涉及的成年个体在转移过程中都被临时安置在圈围场地(兽栏)中,并被提供腐肉作为补充食物。观察到的食腐事件也可能受到在食物获取可能困难的情况下(即年老、失去狩猎伙伴、带幼崽的母猎豹)容易获取食物的影响。我们推测,这些促成因素,再加上成年个体之前有食用腐肉的经历,可能是我们观察到猎豹食腐行为的一个潜在解释。这些观察结果为进一步研究猎豹的食腐行为以及需要长时间圈养的转移对放归后野生动物行为的潜在影响提供了基础。了解这些行为变化对于猎豹保护至关重要,因为成功的重新引入工作取决于猎豹适应新环境和食物获取策略的能力。

https://cdn.ncbi.nlm.nih.gov/pmc/blobs/fb87/11711217/c0c9c3e707f2/ECE3-15-e70776-g003.jpg

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