Open Access Articles

Dietary carbon is oxidized and exhaled as CO2, thus C13breath values can provide information on diet and substrate use for energy. However, physiological phenomena such as fat deposition and fasting c...
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Whiteman, J. P., K. A. Greller, H. J. Harlow, L. A. Felicetti, K. D. Rode, and M. Ben-David. 2012. Carbon isotopes in exhaled breath track metabolic substrates in brown bears (Ursus arctos). Journal of Mammalogy 93(2):413-421.
The metabolic rate–body size relationship suggests that the African elephant (Loxodonta africana) should be least selective among mammalian herbivores in its diet. However, selection among plant...
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Owen-Smith, N., and J. Chafota. 2012. Selective feeding by a megaherbivore, the African elephant (Loxodonta africana). Journal of Mammalogy 93(3):698-705.
Understanding population structure can lend insight into the spread of animal-borne disease, and the effects of anthropogenic land use on habitat. Raccoons are highly adaptive to human land developmen...
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Santonastaso,T. T., J. Dubach, S. A. Hauver, W. H. Graser III, and S. D. Gehrt. 2012. Microsatellite analysis of raccoon (Procyon lotor) population structure across an extensive metropolitan landscape. Journal of Mammalogy 93(2):447-455.
Leopardus braccatus (Cope, 1889) is a small felid—not much larger than a domestic house cat—commonly called the Pantanal cat. No comprehensive surveys have been conducted to determine ho...
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Barstow, A. L., and D. M. Leslie, Jr.. 2012. Leopardus braccatus (Carnivora: Felidae). Mammalian Species 44(891):16-25.
Advances in the application of stable isotopes have allowed the quantitative evaluation of previously cryptic ecological processes. In particular, researchers have utilized the predictable spatial pat...
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Pauli, J. N., W. P. Smith, and M. Ben-David. 2012. Quantifying dispersal rates and distances in North American martens: a test of enriched isotope labeling. Journal of Mammalogy 93(2):390-398.
Ecologists are increasingly using stable isotope analysis to inform questions about variation in resource and habitat use from the individual to community level. In this study we investigate data sets...
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Newsome, S. D., J. D. Yeakel, P. V. Wheatley, and M. T. Tinker. 2012. Tools for quantifying isotopic niche space and dietary variation at the individual and population level. Journal of Mammalgoy 93(2):329-341.
In this introductory paper we describe the 10 papers that compose this Special Feature Theoretical and analytical advances in mammalian isotope ecology. This Special Feature contains 6 review-style pa...
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Ben-David, M., and E. A. Flaherty. 2012. Theoretical and analytical advances in mammalian isotope ecology: an introduction. Journal of Mammalogy 93(2):309-311.
In semiarid ecosystems ungulate densities can compound the effects of drought on forage availability, which can feed back to regulate reproduction and offspring recruitment. Climatic changes in the fr...
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Koons, D. N., P. Terletzky, P. B. Adler, M. L. Wolfe, D. Ranglack, F. P. Howe, K. Hersey, W. Paskett, and J. T. Du Toit. 2012. Climate and density-dependent drivers of recruitment in plains bison. Journal of Mammalogy 93(2):475-481.
We open this Special Feature on stable isotopes in mammalian research with a beginner’s guide, an introduction to the novice and a refresher to the well-versed. In this guide we provide the back...
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Ben-David, M., and E. A. Flaherty. 2012. Stable isotopes in mammalian research: a beginner’s guide. Journal of Mammalogy 93(2):312-328.
Stable isotope analysis of fossil materials has become an increasingly important method for gathering dietary and environmental information from extinct species in terrestrial and aquatic ecosystems. ...
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Clementz, M. T.. 2012. New insight from old bones: stable isotope analysis of fossil mammals. Journal of Mammalogy 93(2):368-380.