Emily E. Puckett, Isis S. Davis, Dawn C. Harper, Kazumasa Wakamatsu et al.
Color variation is a frequent evolutionary substrate for camouflage in small mammals, but the underlying genetics and evolutionary forces that drive color variation in natural populations of large mammals are mostly unexplained. The American black bear, Ursus americanus (U. americanus), exhibits a r...
James W. Frey
Click to increase image sizeClick to decrease image size Notes1. This article presents research conducted in 1995–1997, funded in part by the History Department of the University of Wisconsin–Madison. The original version of this article first was presented at the Conference on Indian Military Histo...
Emily E. Puckett, Isis S. Davis, Dawn C. Harper, Kazumasa Wakamatsu et al.
SUMMARY Color variation is a frequent evolutionary substrate for camouflage in small mammals but the underlying genetics and evolutionary forces that drive color variation in natural populations of large mammals are mostly unexplained. The American black bear, Ursus americanus , exhibits a range of ...