The American bullfrog is invasive to Oregon. (ODFW) Another pesky Oregon invader American bullfrog, which the ODFW calls a “voracious predator” that threatens native wildlife and water quality.

Invasive species are a major issue ... of native frogs and other wildlife. In fact, the bullfrog could impact the recovery of the threatened Oregon spotted frog which is vulnerable to the larger ...

Berthelsdorf first spotted the brilliantly colored American bullfrog on his property in ... But, he added, “Bullfrogs, of course, are very highly invasive here. And they eat anything they ...

More than 16,000 American bullfrogs, larvae and egg masses were removed from Yosemite National Park over a six-year period.

It is part of a much larger strategy to manage problems caused by the invasive frog ... The states of Oregon and Washington also prohibit bullfrogs. While effective, this has not eradicated ...

National Invasive Species Awareness Week is ... more than 10 miles from where it was cut.” Another pesky Oregon invader ...