In early spring, when ice is still on the ground, male Oregon spotted frogs poke their heads above the water and click to attract female attention. But each year is a little more quiet. Threatened by agricultural runoff that pollutes the water, development that consumes wetlands, and non-native bullfrogs that prey on them, the Oregon spotted frog now exists in a handful of places in Oregon and Washington, and is a candidate for Endangered Species Act protection.

Federal candidate.