Banded bullfrogs, native to Southeast Asia (and not yet endangered), on their thrones of chanterelle, lobster and shiitake mushrooms. Frogs Are Disappearing, What Does That Mean?. October 2018. These noble amphibians are declining in numbers. Like honeybees, whose colonies began to collapse en masse across the United States a decade ago, frogs are portents of the greater ills that could befall our environment — and us.