Use of foot snares to capture large felids

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 ha...

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Veröffentlicht in:Methods in ecology and evolution 2021-02, Vol.12 (2), p.322-327
Hauptverfasser: Araujo, Gediendson Ribeiro, Deco‐Souza, Thyara, Morato, Ronaldo Gonçalves, Crawshaw, Peter G., Silva, Leanes Cruz, Jorge‐Neto, Pedro Nacib, Csermak‐Jr, Antônio Carlos, Bergo, Letícia C. F., Kantek, Daniel Luis Zanella, Miyazaki, Selma Samiko, Beisiegel, Beatriz de Mello, Tortato, Fernando Rodrigo, May‐Junior, Joares Adenilson, Silva, Maitê Cardoso Coelho, Leuzinger, Lucas, Salomão‐Jr, Jorge Aparecido, Paula, Tarcizio Antônio Rego, Ellison, Aaron
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container_title Methods in ecology and evolution
container_volume 12
creator Araujo, Gediendson Ribeiro
Deco‐Souza, Thyara
Morato, Ronaldo Gonçalves
Crawshaw, Peter G.
Silva, Leanes Cruz
Jorge‐Neto, Pedro Nacib
Csermak‐Jr, Antônio Carlos
Bergo, Letícia C. F.
Kantek, Daniel Luis Zanella
Miyazaki, Selma Samiko
Beisiegel, Beatriz de Mello
Tortato, Fernando Rodrigo
May‐Junior, Joares Adenilson
Silva, Maitê Cardoso Coelho
Leuzinger, Lucas
Salomão‐Jr, Jorge Aparecido
Paula, Tarcizio Antônio Rego
Ellison, Aaron
description 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. Resumo O estudo de felídeos selvagens de vida livre requer a captura de indivíduos da natureza para colher amostras biológicas e equipá‐los com colares com GPS para monitoramento por telemetria. Os métodos tradicionais utilizados pelos pesquisadores para capturar felídeos selvagens são armadilhas de gaiolas e cães treinados, ambos apresentando desvantagens. Apresentamos a descrição da técnica de laço e as adaptações necessárias para a captura de onçaspintadas e onças‐pardas, comprovando sua eficiência. O laço consiste em uma combinação de estruturas. É composto por um sistema de gatilho, responsável por fechar o laço do cabo de aço na pata do animal; um sistema de contenção, responsável por proteger o animal com segurança, depois de entrar na armadilha; e um sistema de monitoramento, consistindo em um transmissor VHF que permite o monitoramento remoto das armadilhas. As armadilhas são colocadas em trilhas e estradas de acordo com a presença de trilhas, arranhados e outras evidências indicando o uso pelas duas espécies de felídeos grandes, ou conforme determinado pelo monitoramento das armadilhas fotográficas. Trinta onças‐pintadas (16 fêmeas e 14 machos) e seis onças‐pardas (todos
doi_str_mv 10.1111/2041-210X.13516
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F. ; Kantek, Daniel Luis Zanella ; Miyazaki, Selma Samiko ; Beisiegel, Beatriz de Mello ; Tortato, Fernando Rodrigo ; May‐Junior, Joares Adenilson ; Silva, Maitê Cardoso Coelho ; Leuzinger, Lucas ; Salomão‐Jr, Jorge Aparecido ; Paula, Tarcizio Antônio Rego ; Ellison, Aaron</creator><contributor>Ellison, Aaron</contributor><creatorcontrib>Araujo, Gediendson Ribeiro ; Deco‐Souza, Thyara ; Morato, Ronaldo Gonçalves ; Crawshaw, Peter G. ; Silva, Leanes Cruz ; Jorge‐Neto, Pedro Nacib ; Csermak‐Jr, Antônio Carlos ; Bergo, Letícia C. F. ; Kantek, Daniel Luis Zanella ; Miyazaki, Selma Samiko ; Beisiegel, Beatriz de Mello ; Tortato, Fernando Rodrigo ; May‐Junior, Joares Adenilson ; Silva, Maitê Cardoso Coelho ; Leuzinger, Lucas ; Salomão‐Jr, Jorge Aparecido ; Paula, Tarcizio Antônio Rego ; Ellison, Aaron ; Ellison, Aaron</creatorcontrib><description>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. Resumo O estudo de felídeos selvagens de vida livre requer a captura de indivíduos da natureza para colher amostras biológicas e equipá‐los com colares com GPS para monitoramento por telemetria. Os métodos tradicionais utilizados pelos pesquisadores para capturar felídeos selvagens são armadilhas de gaiolas e cães treinados, ambos apresentando desvantagens. Apresentamos a descrição da técnica de laço e as adaptações necessárias para a captura de onçaspintadas e onças‐pardas, comprovando sua eficiência. O laço consiste em uma combinação de estruturas. É composto por um sistema de gatilho, responsável por fechar o laço do cabo de aço na pata do animal; um sistema de contenção, responsável por proteger o animal com segurança, depois de entrar na armadilha; e um sistema de monitoramento, consistindo em um transmissor VHF que permite o monitoramento remoto das armadilhas. As armadilhas são colocadas em trilhas e estradas de acordo com a presença de trilhas, arranhados e outras evidências indicando o uso pelas duas espécies de felídeos grandes, ou conforme determinado pelo monitoramento das armadilhas fotográficas. Trinta onças‐pintadas (16 fêmeas e 14 machos) e seis onças‐pardas (todos machos) foram capturados. Três onças‐pintadas no Pantanal foram capturadas mais de uma vez, totalizando 34 eventos de captura. 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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. Resumo O estudo de felídeos selvagens de vida livre requer a captura de indivíduos da natureza para colher amostras biológicas e equipá‐los com colares com GPS para monitoramento por telemetria. Os métodos tradicionais utilizados pelos pesquisadores para capturar felídeos selvagens são armadilhas de gaiolas e cães treinados, ambos apresentando desvantagens. Apresentamos a descrição da técnica de laço e as adaptações necessárias para a captura de onçaspintadas e onças‐pardas, comprovando sua eficiência. O laço consiste em uma combinação de estruturas. É composto por um sistema de gatilho, responsável por fechar o laço do cabo de aço na pata do animal; um sistema de contenção, responsável por proteger o animal com segurança, depois de entrar na armadilha; e um sistema de monitoramento, consistindo em um transmissor VHF que permite o monitoramento remoto das armadilhas. As armadilhas são colocadas em trilhas e estradas de acordo com a presença de trilhas, arranhados e outras evidências indicando o uso pelas duas espécies de felídeos grandes, ou conforme determinado pelo monitoramento das armadilhas fotográficas. Trinta onças‐pintadas (16 fêmeas e 14 machos) e seis onças‐pardas (todos machos) foram capturados. Três onças‐pintadas no Pantanal foram capturadas mais de uma vez, totalizando 34 eventos de captura. As armadilhas provaram ser um método seguro e eficiente para capturar estes felídeos.</description><subject>Adaptation</subject><subject>big cats</subject><subject>Biological properties</subject><subject>Biological samples</subject><subject>Collars</subject><subject>cougar</subject><subject>Feet</subject><subject>Global positioning systems</subject><subject>GPS</subject><subject>jaguar</subject><subject>Males</subject><subject>monitoring system</subject><subject>Panthera onca</subject><subject>Puma concolor</subject><subject>Remote monitoring</subject><subject>Satellite navigation systems</subject><subject>Telemetry</subject><subject>Traps</subject><issn>2041-210X</issn><issn>2041-210X</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2021</creationdate><recordtype>article</recordtype><recordid>eNqFUE1Lw0AQXUTBUnv2uuBNSLvfyR6lVCtUvFjwtmySWUmJ3bibIP33boyIN99lhuG9mXkPoWtKljRhxYigGaPkdUm5pOoMzX4n53_6S7SI8UASeKEJEzN0u4-AvcPO-x7How0Qce9xZbt-CIBbG94AO2ibOl6hC2fbCIufOkf7-83Lepvtnh8e13e7rOIyV1ktmZNC6QIkZUWphHZa86ouJS_Tc0rmRDsGtay5UxagAkaqXMqC5ILWgvA5upn2dsF_DBB7c_BDOKaTholCas04V4m1mlhV8DEGcKYLzbsNJ0OJGTMxo2szujbfmSSFmhSfTQun_-jmabPhk_AL0kRgdg</recordid><startdate>202102</startdate><enddate>202102</enddate><creator>Araujo, Gediendson Ribeiro</creator><creator>Deco‐Souza, Thyara</creator><creator>Morato, Ronaldo Gonçalves</creator><creator>Crawshaw, Peter G.</creator><creator>Silva, Leanes Cruz</creator><creator>Jorge‐Neto, Pedro Nacib</creator><creator>Csermak‐Jr, Antônio Carlos</creator><creator>Bergo, Letícia C. 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F. ; Kantek, Daniel Luis Zanella ; Miyazaki, Selma Samiko ; Beisiegel, Beatriz de Mello ; Tortato, Fernando Rodrigo ; May‐Junior, Joares Adenilson ; Silva, Maitê Cardoso Coelho ; Leuzinger, Lucas ; Salomão‐Jr, Jorge Aparecido ; Paula, Tarcizio Antônio Rego ; Ellison, Aaron</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c3576-d52f54698e5128b649f993cdb53b13565709f2ed5d3f6aeece20c75580741d403</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2021</creationdate><topic>Adaptation</topic><topic>big cats</topic><topic>Biological properties</topic><topic>Biological samples</topic><topic>Collars</topic><topic>cougar</topic><topic>Feet</topic><topic>Global positioning systems</topic><topic>GPS</topic><topic>jaguar</topic><topic>Males</topic><topic>monitoring system</topic><topic>Panthera onca</topic><topic>Puma concolor</topic><topic>Remote monitoring</topic><topic>Satellite navigation systems</topic><topic>Telemetry</topic><topic>Traps</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Araujo, Gediendson Ribeiro</creatorcontrib><creatorcontrib>Deco‐Souza, Thyara</creatorcontrib><creatorcontrib>Morato, Ronaldo Gonçalves</creatorcontrib><creatorcontrib>Crawshaw, Peter G.</creatorcontrib><creatorcontrib>Silva, Leanes Cruz</creatorcontrib><creatorcontrib>Jorge‐Neto, Pedro Nacib</creatorcontrib><creatorcontrib>Csermak‐Jr, Antônio Carlos</creatorcontrib><creatorcontrib>Bergo, Letícia C. F.</creatorcontrib><creatorcontrib>Kantek, Daniel Luis Zanella</creatorcontrib><creatorcontrib>Miyazaki, Selma Samiko</creatorcontrib><creatorcontrib>Beisiegel, Beatriz de Mello</creatorcontrib><creatorcontrib>Tortato, Fernando Rodrigo</creatorcontrib><creatorcontrib>May‐Junior, Joares Adenilson</creatorcontrib><creatorcontrib>Silva, Maitê Cardoso Coelho</creatorcontrib><creatorcontrib>Leuzinger, Lucas</creatorcontrib><creatorcontrib>Salomão‐Jr, Jorge Aparecido</creatorcontrib><creatorcontrib>Paula, Tarcizio Antônio Rego</creatorcontrib><creatorcontrib>Ellison, Aaron</creatorcontrib><collection>CrossRef</collection><collection>Animal Behavior Abstracts</collection><collection>Ecology Abstracts</collection><collection>Technology Research Database</collection><collection>Environmental Sciences and Pollution Management</collection><collection>Engineering Research Database</collection><collection>Biotechnology and BioEngineering Abstracts</collection><collection>Genetics Abstracts</collection><jtitle>Methods in ecology and evolution</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Araujo, Gediendson Ribeiro</au><au>Deco‐Souza, Thyara</au><au>Morato, Ronaldo Gonçalves</au><au>Crawshaw, Peter G.</au><au>Silva, Leanes Cruz</au><au>Jorge‐Neto, Pedro Nacib</au><au>Csermak‐Jr, Antônio Carlos</au><au>Bergo, Letícia C. F.</au><au>Kantek, Daniel Luis Zanella</au><au>Miyazaki, Selma Samiko</au><au>Beisiegel, Beatriz de Mello</au><au>Tortato, Fernando Rodrigo</au><au>May‐Junior, Joares Adenilson</au><au>Silva, Maitê Cardoso Coelho</au><au>Leuzinger, Lucas</au><au>Salomão‐Jr, Jorge Aparecido</au><au>Paula, Tarcizio Antônio Rego</au><au>Ellison, Aaron</au><au>Ellison, Aaron</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Use of foot snares to capture large felids</atitle><jtitle>Methods in ecology and evolution</jtitle><date>2021-02</date><risdate>2021</risdate><volume>12</volume><issue>2</issue><spage>322</spage><epage>327</epage><pages>322-327</pages><issn>2041-210X</issn><eissn>2041-210X</eissn><abstract>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. Resumo O estudo de felídeos selvagens de vida livre requer a captura de indivíduos da natureza para colher amostras biológicas e equipá‐los com colares com GPS para monitoramento por telemetria. Os métodos tradicionais utilizados pelos pesquisadores para capturar felídeos selvagens são armadilhas de gaiolas e cães treinados, ambos apresentando desvantagens. Apresentamos a descrição da técnica de laço e as adaptações necessárias para a captura de onçaspintadas e onças‐pardas, comprovando sua eficiência. O laço consiste em uma combinação de estruturas. É composto por um sistema de gatilho, responsável por fechar o laço do cabo de aço na pata do animal; um sistema de contenção, responsável por proteger o animal com segurança, depois de entrar na armadilha; e um sistema de monitoramento, consistindo em um transmissor VHF que permite o monitoramento remoto das armadilhas. As armadilhas são colocadas em trilhas e estradas de acordo com a presença de trilhas, arranhados e outras evidências indicando o uso pelas duas espécies de felídeos grandes, ou conforme determinado pelo monitoramento das armadilhas fotográficas. Trinta onças‐pintadas (16 fêmeas e 14 machos) e seis onças‐pardas (todos machos) foram capturados. Três onças‐pintadas no Pantanal foram capturadas mais de uma vez, totalizando 34 eventos de captura. As armadilhas provaram ser um método seguro e eficiente para capturar estes felídeos.</abstract><cop>London</cop><pub>John Wiley &amp; Sons, Inc</pub><doi>10.1111/2041-210X.13516</doi><tpages>6</tpages><orcidid>https://orcid.org/0000-0002-0047-3911</orcidid><orcidid>https://orcid.org/0000-0002-5894-0148</orcidid><orcidid>https://orcid.org/0000-0001-9558-1503</orcidid><orcidid>https://orcid.org/0000-0003-2922-6241</orcidid><orcidid>https://orcid.org/0000-0003-2637-7693</orcidid><orcidid>https://orcid.org/0000-0002-9815-1709</orcidid><orcidid>https://orcid.org/0000-0001-5297-4390</orcidid><orcidid>https://orcid.org/0000-0002-6460-946X</orcidid><orcidid>https://orcid.org/0000-0002-0007-9690</orcidid><orcidid>https://orcid.org/0000-0002-9486-1500</orcidid><orcidid>https://orcid.org/0000-0003-1901-5037</orcidid><orcidid>https://orcid.org/0000-0002-8571-2562</orcidid><orcidid>https://orcid.org/0000-0002-5157-3605</orcidid><orcidid>https://orcid.org/0000-0002-2997-6299</orcidid><orcidid>https://orcid.org/0000-0002-8304-9779</orcidid><orcidid>https://orcid.org/0000-0001-7034-4704</orcidid><orcidid>https://orcid.org/0000-0001-9554-0939</orcidid><oa>free_for_read</oa></addata></record>
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ispartof Methods in ecology and evolution, 2021-02, Vol.12 (2), p.322-327
issn 2041-210X
2041-210X
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subjects Adaptation
big cats
Biological properties
Biological samples
Collars
cougar
Feet
Global positioning systems
GPS
jaguar
Males
monitoring system
Panthera onca
Puma concolor
Remote monitoring
Satellite navigation systems
Telemetry
Traps
title Use of foot snares to capture large felids
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