Federal wildlife officials said Thursday that they are delaying for at least a year any move to list as endangered the only high-altitude frog species in the Sierra Nevada. The Sierra's dwindling ...

When predators learn to avoid a highly toxic frog, they generalize, and this allows a harmless frog to mimic and be more abundant than a frog whose poison packs less punch, biologists at The ...

Mid Columbia River Refuges A small spotted frog that has been getting a helping hand from Washington prison inmates was proposed for protection under the federal Endangered Species Act this week. The ...

Recovery of the endangered dusky gopher frog will require protection of existing populations, searches for new colonies and relocation of frogs to establish new populations, the U.S. Fish & Wildlife ...

PORTLAND, Ore.— The U.S. Fish and Wildlife Service proposed Endangered Species Act protection for Oregon spotted frogs today, following a settlement with the Center for Biological Diversity to speed ...

Frogs that are increasingly rare in the Sierra Nevada will not be listed for protection under the Endangered Species Act despite a federal study that indicates its population is dwindling fast. The ...