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 examined geographic trends in 4 morphological data sets (both craniodental and colorimetric measurements and scores of cranial foramina and qualitative craniodental variables) within and among 5 su...
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James L Patton & Christopher J Conroy. 2017. The conundrum of subspecies: morphological diversity among desert populations of the California vole (Microtus californicus, Cricetidae). Journal of Mammalogy 98(4):1010-1026.
The genus Glaucomys (New World flying squirrels) is currently considered to be comprised of 2 species, the northern flying squirrel (G. sabrinus) and the southern flying squirrel (G. volans)...
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Brian S Arbogast, Katelyn I Schumacher, Nicholas J Kerhoulas, Allison L Bidlack, Joseph A Cook, & G J Kenagy. 2017. Genetic data reveal a cryptic species of New World flying squirrel: Glaucomys oregonensis. Journal of Mammalogy 98(4):1027-1041.
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.