Use of foot snares to capture large felids

Araújo, Gediendson Ribeiro de; Deco‐Souza, Thyara de; Morato, Ronaldo Gonçalves; Crawshaw, Peter G.; Silva, Leanes Cruz da; Jorge‐Neto, Pedro Nacib; Csermak‐Jr, Antônio Carlos; Bergo, L.C.F.; Kantek, Daniel Luis Zanella; Miyazaki, Selma Samiko; Beisiegel, Beatriz de Mello; Tortato, Fernando Rodrigo; May-Júnior, Joares Adenílson; Silva, Maitê Cardoso Coelho da; Leuzinger, Lucas; Salomão‐Jr, Jorge Aparecido; Paula, Tarcízio Antônio Rêgo de

doi:10.1111/2041-210x.13516

Cited by 13 publications

(30 citation statements)

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“…This is essential information for researchers considering using these methods in their own work. Many of these details were missing from de Araujo et al (2021). For example, de Araujo et al (2021) stated that different baits were used intermittently and deployed at different times, but no justification was given for such changes nor the impact that they had on capture rate (section 2.4.3, de Araujo et al, 2021).…”

Section: The Need For De Tailmentioning

confidence: 99%

“…Additionally, the author guidelines for the journal state that permit numbers, including institutional animal use permits, should be included in the acknowledgements section. We note that the original editorial and review process failed to detect the omission of a welfare statement and permit details from de Araujo et al (2021) (see publons. com/p/33313648/) and the paper was subsequently published, First Online, without that information.…”

Section: The Re Vie W Pro Ce Ssmentioning

confidence: 99%

“…For example, one animal was noted as requiring veterinary treatment for a paw injury but the authors did not detail the type, severity or cause of the injury. Additionally, de Araujo et al (2021) did not provide details of the criteria used to determine the point of intervention and whether any other injuries were sustained by other individuals and assessed as not requiring clinical care. A general body condition assessment, including observations of other limbs and teeth, should be undertaken when assessing leg-holding traps.…”

Section: Introductionmentioning

confidence: 99%

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On the need for rigorous welfare and methodological reporting for the live capture of large carnivores: A response to de Araujo et al. (2021)

et al. 2021

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Section: The Need For De Tailmentioning

confidence: 99%

Section: The Re Vie W Pro Ce Ssmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

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On the need for rigorous welfare and methodological reporting for the live capture of large carnivores: A response to de Araujo et al. (2021)

et al. 2021

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“…The male was captured twice with the foot snare trap technique ( Araujo et al, 2020 forthcoming) on November 17, 2019 at ~10:15 PM and March 24, 2020 at ~9:50 AM. Chemical restraint was performed using anesthetic darts fired with a blowpipe and containing ketamine (5 mg/kg; im) and medetomidine (0.1 mg/kg; im) ( Araujo et al, 2018 ).…”

Section: Methodsmentioning

confidence: 99%

Cryptorchidism in free-living jaguar (Panthera onca): first case report

et al. 2020

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Cryptorchidism is a genital alteration wherein one or both testicles fail to descend into the scrotum and has multifactorial causes. A free-range adult male was captured twice in the Pantanal of Nhecolândia to put a GPS collar and semen collection. Pharmacological semen collection, andrological examination and semen analysis were performed. At the first capture and during the andrological examination only the left testis was found, and the male qualified as cryptorchid. The penis had no penile spines at either procedure. The semen volume obtained at first and second capture was 435 and 160 μL, respectively, with a concentration of 618 and 100 x 10 6 sperm/mL, progressive motility of ~ 5% and ~ 1% and total morphological sperm abnormalities of 74% and 86%. The male was monitored by a GPS collar, but the signal was lost, making it difficult to re-captures and perform new seminal and ultrasound evaluations to discard monorchidism – exceedingly rare in felids. Genetic studies to assess the individual's homozygosity are necessary to verify whether cryptorchidism in this individual has a genetic factor.

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“…Jaguars were captured by the Onçafari Project (https://oncafari.org/en/) in collaboration with the Brazilian National Research Center for Carnivores Conservation -CENAP (https://www. icmbio.gov.br/cenap/) using soft-hold foot-snare traps (de Araujo et al, 2021;Frank et al, 2003). They were anesthetized with an intramuscular application of Tiletamine-Zolazepam on an average proportion of 8 mg/kg (Morato et al, 2001).…”

Section: Jaguars' Monitoringmentioning

confidence: 99%

O Uso do Espaço pela Onça-Pintada é Influenciado pela Luz da Lua? Iluminando o Movimento de Felinos de Grande Porte no Sul do Pantanal

et al. 2022

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Diante dos níveis crescentes de perda e modificação de habitat, conhecer os fatores ambientais que influenciam o uso do espaço por grandes carnívoros é crucial para esforços de conservação efetivos. Apesar da crescente literatura investigando o efeito da luminosidade da luasobre felídeos topo de cadeia, tais efeitos sobre a onça-pintada (Panthera onca) ainda precisam ser explorados – inclusive no Pantanal brasileiro. O bioma passa, atualmente, por alterações humanas significativas diante da expansão da prática agropecuária, e a caça por retaliação se caracteriza como uma das principais ameaças à persistência das onças no Pantanal. Estudamos a influência da variação da luminosidade noturna no uso do espaço pela onça-pintada no Pantanal Sul. Analisamos dados de localização GPS obtidos via monitoramento de onças com rádio-colaresem campos potencialmente utilizados como pastagens, considerando a distância da florestamais próxima e a luminosidade em cenários de baixa, média e alta intensidade luminosa da lua.Observamos que, embora as onças permaneçam nas imediações das florestas ao longo do ciclolunar, elas adentram mais as pastagens sob média a alta luminosidade da lua. Sugerimos que o usodo espaço pela espécie na área de estudo investigada sustenta a ‘hipótese de risco de predação’(predation risk hypothesis), onde espécies que ocupam níveis tróficos mais altos tendem a ser maisativas sob luminosidade noturna, já que esta possibilita maior sucesso de predação – especialmenteconsiderando que bordas de floresta podem servir como abrigo e favorecer a emboscada do gado.Apesar de não termos focado em sucesso de predação na nossa análise, recomendamos que rebanhos sejam mantidos afastados de bordas de floresta, bem como que sejam implementadas barreiras físicas (ex. cercas) para prevenção de ataques oportunistas das onças aos animais de criação – particularmente em noites mais claras.

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Use of foot snares to capture large felids

Cited by 13 publications

References 1 publication

On the need for rigorous welfare and methodological reporting for the live capture of large carnivores: A response to de Araujo et al. (2021)

On the need for rigorous welfare and methodological reporting for the live capture of large carnivores: A response to de Araujo et al. (2021)

Cryptorchidism in free-living jaguar (Panthera onca): first case report

O Uso do Espaço pela Onça-Pintada é Influenciado pela Luz da Lua? Iluminando o Movimento de Felinos de Grande Porte no Sul do Pantanal

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