Open Access Articles

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.
Using data collected with thermal imaging technology, we found a major reduction in population estimates of colony size in the Brazilian free-tailed bat (Tadarida brasiliensis) from 54 million, obta...
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Betke, M., D. E. Hirsh, N. C. Makris, G. F. McCracken, M. Procopio, N. I. Hristov, S. Tang, A. Bagchi, J. D. Reichard, J. W. Horn, S. Crampton, C. J. Cleveland, and T. H. Kunz. 2008. Thermal imaging reveals significantly smaller Brazilian free-tailed bat colonies than previously estimated. Journal of Mammalogy 89:18-24.
The amount of underwater sound from ship traffic, commercial, research, and military sound sources has increased significantly over the past century. Marine mammals and many other marine animals rely ...
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Tyack, P. L.. 2008. Implications for marine mammals of large-scale changes in the marine acoustic environment. Journal of Mammalogy 89:549-558.
The need to capture wild animals for conservation, research, and management is well justified, but long-term effects of capture and handling remain unclear. We analyzed standard types of data collecte...
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Cattet, M., J. Boulanger, G. Stenhouse, R. A. Powell, and M. J. Reynolds-Hogland. 2008. An evaluation of long-term capture effects in ursids: implications for wildlife welfare and research. Journal of Mammalogy 89:973-990.
Climate change during the late Quaternary has been implicated as the cause of both massive range shifts and extinction events. We combined molecular marker data and previously published fossil data to...
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Wisely, S. M., M. J. Statham, and R. C. Fleischer. 2008. Pleistocene refugia and Holocene expansion of a grassland-dependent species, the black-footed ferret (Mustela nigripes). Journal of Mammalogy 89:87-96.
Previous studies have suggested that diets of river otters (Lontra canadensis) vary in response to seasonal shifts in prey availability, and that they select slowly moving fish of moderate size. To te...
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Cote, D., H. M. J. Stewart, R. S. Gregory, J. Goose, J. J. Reynolds, G. B. Stenson, and E. H. Miller. 2008. Prey selection by marine-coastal river otters (Lontra canadensis) in Newfoundland, Canada. Journal of Mammalogy 89:1001-1011.