Open Access Articles

Fluctuating asymmetry, random departure from perfect symmetry in bilateral traits, has been proposed as an indirect indicator of individual quality. Sexually selected traits, such as deer antlers, are...
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Ditchkoff, S. S., and R. L. deFreeze. 2010. Assessing fluctuating asymmetry of white-tailed deer antlers in a three-dimensional context. Journal of Mammalogy 91:27-37.
Dispersal and gene flow are significant components of metapopulation structure and dynamics. We examined gene flow in the pygmy rabbit (Brachylagus idahoensis), a sagebrush specialist that occurs in s...
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Estes-Zumpf, W. A., J. L. Rachlow, L. P. Waits, and K. I. Warheit. 2010. Dispersal, gene flow, and population genetic structure in the pygmy rabbit (Brachylagus idahoensis). Journal of Mammalogy 91(1):208-219.
The colony of Brazilian free-tailed bats (Tadarida brasiliensis) at Carlsbad Cavern, New Mexico, is a wellknown example of this highly gregarious and conspicuous species in North America. For nearly a...
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Hristov, N. I., M. Betke, D. E. H. Theriault, A. Bagchi, and T. H. Kunz. 2010. Seasonal variation in colony size of Brazilian free-tailed bats at Carlsbad Cavern based on thermal imaging. Journal of Mammalogy 91:183-193.
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.
We investigated the effects of fluctuating prey numbers on the foraging strategies and potential mechanisms for coexistence of 2 sympatric predators, coyotes (Canis latrans) and red foxes (Vulpes...
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Randa, L. A., D. M. Cooper, P. L. Meserve, and J. A. Yunger. 2009. Prey switching of sympatric canids in response to variable prey abundance. Journal of Mammalogy 90:954-603.
The central Rocky Mountain region of North America lies at the biogeographic crossroads of the Rocky Mountains, Great Plains, and Great Basin. Here, we examine genetic patterns in an abundant, wi...
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Spaeth, P. A., M. van Tuinen, Y. L. Chan, and E. A. Hadly. 2009. Phylogeography of Microtus longicaudus in the tectonically and glacially dynamic central Rocky Mountains. Journal of Mammalogy 90:571-584.
It is often difficult to test hypotheses about how and why animal movement responds to environmental conditions, and at what spatial scales movement decisions are made, all of which are critical ...
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Webb, S. L., S. K. Riffell, K. L. Gee, and S. Demarais. 2009. Using fractal analysis to characterize movement paths of white-tailed deer and response to spatial scale. Journal of Mammalogy 90:1210-1217.
This commentary is the text of an oral presentation delivered at the 88th Annual Meeting of the American Society of Mammalogists in Brookings, South Dakota, on 22 June 2008 to recognize receipt o...
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Weigl, P. D.. 2009. The natural history conundrum revisited: mammalogy begins at home. Journal of Mammalogy 90:265-269.
Little is known regarding the migratory behavior of bats, due in part to their elusive nature. Recently, however, fatalities of migratory bats at some wind energy facilities across North America have ...
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Baerwald, E. F., and R. M. R. Barclay. 2009. Geographic variation in activity and fatality of migratory bats at wind energy facilities. Journal of Mammalogy 90:1340-1349.