Open Access Articles

Synchrony between reproduction and food availability is important in mammals due to the high energetic costs of gestation and lactation. Female polar bears (Ursus maritimus) must accumulate sufficient...
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Karyn D Rode, Jay Olson, Dennis Eggett, David C Douglas, George M Durner, Todd C Atwood, Eric V Regehr, Ryan R Wilson, Tom Smith, & Michelle St. Martin. 2018. Den phenology and reproductive success of polar bears in a changing climate. Journal of Mammalogy 99(1):16-26.
Species reside in dynamic environments, simultaneously experiencing variations in climatic conditions, habitat availability and quality, interspecific interactions, and anthropogenic pressures. We inv...
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Nyeema C Harris, Reuben A Garshong & Morgan Gray. 2018. Distinct isotopic signatures reveal effect of ecoregion on small mammals of Ghana. Journal of Mammalogy 99(1):117-123.
Bats belonging to the subfamily Vespertilioninae are diverse and cosmopolitan, but their systematic arrangement remains a challenge. Previous molecular surveys suggested new and unexpected relationshi...
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Manuel Ruedi, Judith L Eger, Burton K Lim, Gábor Csorba. 2018. A new genus and species of vespertilionid bat from the Indomalayan Region. Journal of Mammalogy 99(1):209-222.
We investigated the migratory movements of silver-haired bats (Lasionycteris noctivagans) across the eastern extent of the species’ range. We conducted stable hydrogen isotope analysis of fur sa...
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E E Fraser, D Brooks, & F J Longstaffe. 2017. Stable isotope investigation of the migratory behavior of silver-haired bats (Lasionycteris noctivagans) in eastern North America. Journal of Mammalogy 98(5):1225–1235.
Solitary carnivores in the family Mustelidae are thought to exhibit pronounced intrasexual territoriality, defending space against competitors but tolerating members of the opposite sex. Although must...
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Katie M. Moriarty, Mark A. Linnell, Brandon E. Chasco, Clinton W. Epps, & William J. Zielinski. 2017. Using high-resolution short-term location data to describe territoriality in Pacific martens. Journal of Mammalogy 98(3):679-689.
We describe the first new rodent species from Solomon Islands in more than 80 years. This new giant rat is known from a single specimen captured in a commercially felled Dillenia salomonensis&nbs...
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Tyrone H. Lavery and Hikuna Judge. 2017. A new species of giant rat (Muridae, Uromys) from Vangunu, Solomon Islands. Journal of Mammalogy 98(6):1518-1530.
Carnivores exhibit strong interspecific competition and partition niche axes to minimize agonistic interactions. Niche partitioning, though, is contingent upon resource heterogeneity, and recent lands...
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Philip J. Manlick, James E. Woodford, Benjamin Zuckerberg, & Jonathan N. Pauli. 2017. Niche compression intensifies competition between reintroduced American martens (Martes americana) and fishers (Pekania pennanti). Journal of Mammalogy 98(9):690-702.
We studied a rodent community in the San Joaquin Desert of California, United States, from 1993 to 2016. Using biannual trapping on a 144-trap plot, we found that mice of various species were rarely c...
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David J Germano and Lawrence R Saslaw. 2017. Rodent community dynamics as mediated by environment and competition in the San Joaquin Desert. Journal of Mammalogy 98(6):1615-1626.
Rapidly changing environmental conditions are influencing distributions of wildlife species in Alaska. Due to strict physiological requirements, the distribution of American martens (Martes americana)...
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Andrew P. Baltensperger, John M. Morton & Falk Huettmann. 2017. Expansion of American marten (Martes americana) distribution in response to climate and landscape change on the Kenai Peninsula, Alaska. Journal of Mammalogy 98(3):703-714.
Effective conservation of insular populations requires careful consideration of biogeography, including colonization histories and patterns of endemism. Across the Pacific Northwest of North America, ...
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Natalie G. Dawson, Jocelyn P. Colella, Maureen P. Small, Karen D. Stone, Sandra L. Talbot & Joseph A. Cook. 2017. Historical biogeography sets the foundation for contemporary conservation of martens (genus Martes) in northwestern North America. Journal of Mammalogy 98(3):715-730.