Open Access Articles

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...
Download PDF »
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...
Download PDF »
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...
Download PDF »
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 ...
Download PDF »
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...
Download PDF »
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 ...
Download PDF »
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.
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,...
Download PDF »
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 ...
Download PDF »
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...
Download PDF »
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 ...
Download PDF »
Tyack, P. L.. 2008. Implications for marine mammals of large-scale changes in the marine acoustic environment. Journal of Mammalogy 89:549-558.