How 1920s Arizona Bullfrogs Became a Threat to Native Gartersnakes
According to the U.S. Fish and Wildlife Service, the northern Mexican gartersnake has vanished from roughly 90 percent of its historical range in the United States, driven in part by American bullfrogs introduced by wildlife officials in the 1920s to provide a food source for hunters and anglers. These large, fast-breeding amphibians outcompete native species … Read more