B.C. frog hunter on mission to eradicate destructive American bullfrogs
American Bullfrog, Empires of the Undergrowth Wiki
American Bullfrog - Invasive Predator — Oregon Invasive Species Council
B.C. frog hunter on mission to eradicate destructive American bullfrogs
CSISS Asks Bullfrog Pet Owners to Never Set Them Loose In Columbia Shuswap - Revelstoke Current
What's Ontario's favourite animal? The case for the bullfrog
American Bullfrog Missouri Department of Conservation
Joint effort reduces invasive bullfrogs in BC - The Wildlife Society
Bullfrogs and Biodiversity, Conservancy Program
Bizarre roadkill incident brings first confirmed bullfrog sighting to Pacific Rim park - Nanaimo News Bulletin
American bullfrogs wreaking havoc in Fraser Valley watersheds - Mission City Record
Bullfrogs threaten native species - Salmon Arm Observer
American bullfrogs seem fun, but native wildlife is croaking
American Bullfrog, Reptiles & Amphibians in Ontario