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Displaying 1 to 20 of 21

American Bullfrog - Invasive Predator
- Oregon Invasive Species Council.
American Bullfrog Invasion and Impacts on Native Species in the Pacific Northwest
- Apr 2023
- DOI. USGS. Forest and Rangeland Ecosystem Science Center.
- The Herpetological Research Team at the USGS Forest and Rangeland Ecosystem Science Center uses innovative tools to investigate the invasion and spread of American bullfrogs in Washington and Oregon and understand how bullfrogs are interacting with native amphibians.
Animal Diversity Web - Lithobates catesbeianus
- University of Michigan. Museum of Zoology.
Aquatic Invasions! A Menace to the West - American Bullfrog [PDF, 638 KB]
- Oregon Sea Grant.
- See also: Species Guides for more resources
Aquatic Invasive Species - American Bullfrog
- Washington Department of Fish and Wildlife.
Biological Invaders: The American Bullfrog
- USDA. FS. Plumas National Forest.
California's Invaders: American Bullfrog
- California Department of Fish and Wildlife.
Global Invasive Species Database - Lithobates catesbeianus (amphibian)
- IUCN. Species Survival Commission. Invasive Species Specialist Group.
Google Images - Bullfrog
- Google.
Introduced Species Summary Project - North American Bullfrog
- Columbia University. Center for Environmental Research and Conservation.
Invasive Reptiles and Amphibians - American Bullfrog
- University of California. Agriculture and Natural Resources. California Aquatic Invasive Species.
Invasive Species - Bullfrog
- Oregon Department of Fish and Wildlife.
Invasive Species Bullfrog and Snake Cost World $16bn - Study
- Jul 29, 2022
- BBC News.
- Scientists tallying the economic damage wrought by invasive pests across the world found two species are responsible for more harm than any other.
  
  The American bullfrog and brown tree snake have collectively caused $16.3bn in global damage since 1986. In addition to ecological harm, the invasive pair have ruined farm crops and triggered costly power outages.
Invasive Species Compendium - Rana catesbeiana
- CAB International.
Invasive.org - Bullfrog
- University of Georgia. Center for Invasive Species and Ecosystem Health.
Non-native Species Information: American Bullfrog
- Great Britain Non-Native Species Secretariat.
Nonindigenous Aquatic Species Database: Fact Sheet - American Bullfrog
- DOI. USGS. Wetland and Aquatic Research Center.
- Provides distribution maps and collection information (State and County).
Nonindigenous Aquatic Species Database: Point Map - American Bullfrog
- DOI. USGS. Wetland and Aquatic Research Center.
- Provides detailed collection information as well as animated map.
Priority Species: Bullfrog
- Washington State Recreation and Conservation Office. Washington Invasive Species Council.
YouTube - Help Stop the Spread of Bullfrogs in WY
- Google. YouTube; Wyoming Game and Fish Department.