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.

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 ...

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