Open Access Articles

The substantial body of research on Holarctic ground squirrels amassed over the past century documents considerable variability in morphological, cytogenetic, ecological, and behavioral attribute...
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Helgen, K. M., F. R. Cole, L. E. Helgen, and D. E. Wilson. 2009. Generic revision in the Holarctic ground squirrel genus Spermophilus. Journal of Mammalogy 90:270-305.
Determinants of sex ratios in animal populations have been of general interest to ecologists for decades. We tested the hypothesis that offspring sex ratio in a population of northern elephant se...
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Lee, D. E., and W. J. Sydeman. 2009. North Pacific climate mediates offspring sex ratio in northern elephant seals. Journal of Mammalogy 90:1-8.
Mammalian chewing rate scales inversely to body mass (M); however, controversy exists over the value of the scaling exponent. Different mechanisms explain different values of the scaling exponent; hen...
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Gerstner, G. E., and J. B. Gerstein. 2008. Chewing rate allometry among mammals. Journal of Mammalogy 89:1020-1030.
Choeroniscus minor (Peters, 1868) is a phyllostomid commonly called the lesser long-tongued bat. It is a medium-size bat with an elongated muzzle, a very long tongue, and other cranial and dental fe...
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Solmsen, E.-H., and H. Schliemann. 2008. Choeroniscus minor (Chiroptera: Phyllostomidae). Mammalian Species 822:1-6.
We investigated movement patterns in a high-density population of Eurasian badgers (Meles meles) to explore how the costs and benefits of dispersal and other forms of movement differed among individua...
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Macdonald, D. W., C. Newman, C. D. Buesching, and P. J. Johnson. 2008. Male-biased movement in a high-density population of the Eurasian badger (Meles meles). Journal of Mammalogy 89:1077-1086.
Jaguars (Panthera onca) remain virtually unstudied in the desert environments at the northern extent of their range. Historic sightings from the United States indicate a declining population of reside...
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McCain, E. B., and J. L. Childs. 2008. Evidence of resident jaguars (Panthera onca) in the southwestern United States and the implications for conservations. Journal of Mammalogy 89:1-10.
The earth’s climate is changing, possibly at an unprecedented rate. Overall, the planet is warming, sea ice and glaciers are in retreat, sea level is rising, and pollutants are accumulating in t...
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Moore, S. E.. 2008. Marine mammals as ecosystem sentinels. Journal of Mammalogy 89:534-540.
Papers in this Special Feature stem from a symposium on large-scale ecosystem change and the conservation of marine mammals convened at the 86th Annual Meeting of the American Society of Mammalogists ...
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O’Shea, T. J., and D. K. Odell. 2008. Large-scale marine ecosystem changes and the conservation of marine mammals. Journal of Mammalogy 89:529-533.
Direct fisheries interactions pose a serious threat to the conservation of many populations and some species of marine mammals. The most acute problem is bycatch, unintended mortality in fishing gear,...
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Read, A. J.. 2008. The looming crisis: interactions between marine mammals and fisheries. Journal of Mammalogy 89:541-548.
 Subspecific affinities, determination of population boundaries, and levels of population connectedness are of critical importance for the development of management and conservation planning. We ...
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Smith, S. J., D. M. Leslie, Jr., M. J. Hamilton, J. B. Lack, and R. A. Van Den Bussche. 2008. Subspecific affinities and conservation genetics of western big-eared bats (Corynorhinus townsendii pallescens) at the edge of their distributional range. Journal of Mammalogy 89:799-814.