Lynx rufus

Larivière, Serge; Walton, L.

doi:10.2307/3504533

Cited by 103 publications

(81 citation statements)

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“…Sorting was based on published dietary descriptions (Hemmer, 1972;Mazak, 1981;Seymour, 1989;Larivier and Walton, 1997;Murray and Gardner, 1997;Sunquist and Sunquist, 2002;Wilson et al, 2009). DPS was determined as follows: a felid species was assigned to DPS Category 1 if it consumes mostly prey, that is, smaller than one order of magnitude below its own body mass.…”

Section: Dietary Attributionmentioning

confidence: 99%

Bite Force Estimation and the Fiber Architecture of Felid Masticatory Muscles

Hartstone‐Rose

Perry

Morrow

2012

The Anatomical Record

155

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Increasingly, analyses of craniodental dietary adaptations take into account mechanical properties of foods. However, masticatory muscle fiber architecture has been described for relatively few lineages, even though an understanding of the scaling of this anatomy can yield important information about adaptations for stretch and strength in the masticatory system. Data on the mandibular adductors of 28 specimens from nine species of felids representing nearly the entire body size range of the family allow us to evaluate the influence of body size and diet on the masticatory apparatus within this lineage. Masticatory muscle masses scale isometrically, tending toward positive allometry, with body mass and jaw length. This allometry becomes significant when the independent variable is a geometric mean of cranial variables. For all three body size proxies, the physiological cross-sectional area and predicted bite forces scale with significant positive allometry. Average fiber lengths (FL) tend toward negative allometry though with wide confidence intervals resulting from substantial scatter. We believe that these FL residuals are affected by dietary signals within the sample; though the mechanical properties of felid diets are relatively similar across species, the most durophagous species in our sample (the jaguar) appears to have relatively higher force production capabilities. The more notable dietary trend in our sample is the relationship between FL and relative prey size: felid species that predominantly consume relatively small prey have short masticatory muscle fibers, and species that regularly consume relatively large prey have relatively long fibers. This suggests an adaptive signal related to gape. Anat Rec, 295:1336Rec, 295: -1351

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Section: Dietary Attributionmentioning

confidence: 99%

Bite Force Estimation and the Fiber Architecture of Felid Masticatory Muscles

Hartstone‐Rose

Perry

Morrow

2012

The Anatomical Record

155

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“…I also only observed scrapes next to bobcat scats, suggesting that the presence of a scrape is more likely an indicator for bobcats. Both coyotes and bobcats are known to leave scrapes next to urine and/or feces (Larivière andWalton 1997, Bekoff 1977), though coyotes tend to do so only at the edges of their territories (Gese and Ruff 1997). Out of the 110 positively identified scats in this dataset, five were found adjacent to a scrape and all five of these scats were identified as bobcat.…”

Section: Discussionmentioning

confidence: 99%

“…There are some known differences among the sign characteristics of these three species. It is reported that both bobcats and coyotes scratch the ground and leave scent marks to help maintain their territories (Bekoff 1977, Larivière andWalton 1997). Coyotes have scent glands between their toes and may scratch with one hind foot adjacent to feces or urine Ruff 1997, Elbroch et al 2012).…”

Section: Data Collectionmentioning

confidence: 99%

Seasonal Variation of Coyote Diet in Northwestern Wyoming: Implications for Dietary Overlap with Canada Lynx?

Dowd

Gese

2012

Northwest Science

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“…El coyote se aborda de manera separada porque es considerado uno de los carnívoros coyote aparece en tercer sitio en relación al impacto económico, en parte, porque muchas de las localidades donde se trabajó, están inmersas en las zonas montañosas en donde el coyote es menos abundante (Larivière y Walton 1997;Jiménez et al 1999) a diferencia del Altiplano Mexicano o la Planicie Costera del Golfo en dónde estas cifras pudieran ser distintas. Los resultados de este trabajo coinciden con lo mencionado por Gee (1979) y caprino y genera pérdidas millonarias en la industria ganadera (en 1974, se llegaron a reportar 16 millones de dólares en pérdidas) y es considerado una de las principales amenazas para los productores en la Unión Americana.…”

Section: Aplicación De Encuestasunclassified

Depredación de ganado por jaguar y otros carnívoros en el noreste de México

Peña‐Mondragón

Melgoza‐Castillo

2013

Therya

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The principal factors that contribute to the conservation of large carnivorous mammals are, the increase in human density, the amount of remnant natural habitat, land use changeOne alternative is to assess the economic damage caused by carnivores on cattle a herd which is a major cause of their persecution and elimination. Damage assessed by jaguar in southern of Nuevo Leon. At the same time, we evaluated the economic damage and gray fox 2,514. Knowing the damage that the jaguar and other carnivores have on the economy of peasant's families is essential for the design of mitigation strategies that Keywords: Panthera oncaEl aumento de la densidad humana, la cantidad de hábitat natural remanente, el uso de suelo y la incidencia de cacería, ya sea de subsistencia o furtiva (de la especie y de sus presas naturales), son factores que contribuyen a la conservación o eliminación de los grandes mamíferos carnívoros. Para poder emprender acciones de conservación efectivas, es necesario entender el problema en todas sus dimensiones. Una de ellas es poder contabilizar los daños económicos que causan los carnívoros en los hatos ganaderos que es una de las principales causas de su persecución y eliminación. En el presente trabajo evaluamos los daños causados por jaguar en el sur de Nuevo León. Al mismo tiempo, se evaluaron los daños económicos por oso negro, coyote, puma, gato montés y zorra gris para comparar el valor económico de los daños sobre la ganadería. Se encuestaron 80 personas en 60 comunidades rurales. Los daños económicos (en dólares Americanos) en la ganadería ascienden a 134,253 en el lapso de tiempo 1992-2010. Por especie corresponden a: oso negro 43,077; jaguar 39,016; puma 17,057; coyote 28,492; gato montés 4,095 y zorra gris 2,514. Conocer los daños que el jaguar

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Lynx rufus

Cited by 103 publications

References 0 publications

Bite Force Estimation and the Fiber Architecture of Felid Masticatory Muscles

Bite Force Estimation and the Fiber Architecture of Felid Masticatory Muscles

Seasonal Variation of Coyote Diet in Northwestern Wyoming: Implications for Dietary Overlap with Canada Lynx?

Depredación de ganado por jaguar y otros carnívoros en el noreste de México

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