Keywords: usgs science biology ecosystems toads boreal wyoming disease decline research mating love outdoor animal Photo of a Boreal toad (Bufo boreas) mating ball, Bridger-Teton National Forest, Wyoming. The USGS studies boreal toads as they are a special concern because of population decline due to habitat loss (especially of wetlands) and disease. Learn more at www.fort.usgs.gov/Blackrock/. Photo courtesy of Stephen Corn, USGS. Photo of a Boreal toad (Bufo boreas) mating ball, Bridger-Teton National Forest, Wyoming. The USGS studies boreal toads as they are a special concern because of population decline due to habitat loss (especially of wetlands) and disease. Learn more at www.fort.usgs.gov/Blackrock/. Photo courtesy of Stephen Corn, USGS. |