American bullfrogs, which were once confined to much of eastern North America, have exploded around the world with dire consequences for native species. Now researchers say they may have found a way ...

Native to eastern North America, the American bullfrog was first introduced to Yosemite Valley in 1955 at Ahwahnee Hotel's reflection pond. After invasion, bullfrogs outcompete native species for prey ...

“One reason American bullfrogs are among the top worst globally introduced pests is because they eat everything — anything that fits into their mouth,” said senior author Brian Todd, a UC Davis ...