• Our results show that in a region as severely transformed as our study area, forest fragments offer suitable conditions for maintaining a portion of amphibian species of the region, including a significant number of threatened and critically endangered species.

• Research is needed to better understand the use of prescribed burning to maintain and create vireo habitat, and to develop guidelines on desirable burn intervals throughout the vireo’s range in Texas, especially in the western Edwards Plateau and eastern Trans-Pecos.

• The state’s practice of maintaining feral goats and sheep for sport hunting on these slopes caused severe habitat destruction.