Bullfrog Distribution Worldwide

American bullfrogs have been transported to many parts of the globe by people who try to farm them. When the frog farming experiment is found to not be commercially viable the frogs are often just released into the local environment. Though native in eastern North America from southern Ontario through to southern Mexico, problem populations of American bullfrogs are now established across the western United States, and at various locations in Europe, Asia, and South America.

The map below is based upon Michael Lannoo’s 1995 report on the worldwide spread of bullfrogs, compiled for the IUCN/SSC Invasive Species and Declining Amphibian Populations Task Forces.


Stan A. Orchard
BullfrogControl.com Inc.
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Victoria , British Columbia V9A 1B6

Phone: 250-858-FROG (3764)



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