After six years and thousands of euthanized bullfrogs, a campaign to control the invasive species in the Upper Deschutes Basin is starting to show results. The number of bullfrogs visible in pools of ...

What looks like a good thing - a lot of frogs in a pond - might not be so hot for other little creatures. At the E.E. Wilson Wildlife Area west of Albany, Democrat-Herald photographer David Patton ...

CORVALLIS, Ore. - When exposed to potential predators as an embryo, the invasive American bullfrog becomes harder to kill when it becomes a tadpole, according to a new study by Oregon State University ...