期刊
METHODS IN ECOLOGY AND EVOLUTION
卷 12, 期 2, 页码 322-327出版社
WILEY
DOI: 10.1111/2041-210X.13516
关键词
big cats; cougar; jaguar; monitoring system; Panthera onca; Puma concolor
类别
资金
- Fundacao de Amparo a Pesquisa do Estado de Minas Gerais
- Conselho Nacional de Desenvolvimento Cientifico e Tecnologico
- Cat Heaven Endangered Species-Project
- Fundacao de Apoio ao Desenvolvimento do Ensino, Ciencia e Tecnologia do Estado de Mato Grosso do Sul
- FAPESP [2013-10029-6]
The study introduces the foot snare as an efficient and safe method for capturing jaguars and cougars, consisting of a thrower system, a holding system, and a monitoring system. The setting of snares is determined by tracks, scats, and camera traps, resulting in the capture of 30 jaguars and 6 cougars.
The study of free-living felids requires the capture of individuals from the wild to collect biological samples and to equip them with GPS-satellite collars for telemetry monitoring. The traditional methods used by researchers to capture wild felids are box traps and trained hounds, both of which have disadvantages. We present the description of the foot snare and the adaptations required for the capture of jaguars and cougars, showing its efficiency. The foot snare consists of a combination of structures. It is composed of a thrower system, which is responsible for closing the steel cable noose on the paw of the animal; a holding system, which is responsible for securing the animal safely, after stepping into the trap; and a monitoring system, consisting of a VHF transmitter that allows remote monitoring of the snares. The snares are set on trails and roads according to the presence of tracks, scats and other evidence indicating use by the two species of large felids or as determined by monitoring camera traps. Thirty jaguars (16 females and 14 males) and six cougars (all males) were captured. Three jaguars in the Pantanal were captured more than once, therefore totalling 34 capture events. Snares have been demonstrated to be a safe and efficient method to capture these felids.
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