Research on animal movement patterns and factors that influence these patterns is vital to conservation of endangered species. The California Red-legged frog (Rana draytonii) is a threatened species native to California. Their rapid decline has been l . . .

The invasion of American Bullfrogs (Lithobates catesbeianus) in the western United States has had a direct negative effect on the persistence of many native fauna. Native ranid frogs, in particular, face threats to their populations due to the competi . . .