|
| Impact ID |
Scientific Name
|
Impact Type
|
Study Type
|
Study Location
|
Impact Description
|
Geographic Location
|
Reference
|
|
4042
|
Lithobates catesbeianus
|
Predation/Herbivory
|
Anecdotal
|
Field
|
Lithobates catesbeianus may be responsible for the decline in native frogs in Central and South America.
|
Central and South America
|
35691
|
|
4044
|
Lithobates catesbeianus
|
Predation/Herbivory
|
Observational
|
Field
|
The nonnative bullfrog Lithobates catesbeianus feeds on native western treefrogs.
|
Washington County, Oregon, USA
|
35695
|
|
4046
|
Lithobates catesbeianus
|
Predation/Herbivory
|
Observational
|
Field
|
Lithobates catesbeianus were observed to feed heavily on the native Oregon Spotted frogs(Rana pretiosa) in their introduced range in the American Pacific Northwest.
|
Oregon, USA; Washington, USA
|
35697
|
|
4048
|
Lithobates catesbeianus
|
Predation/Herbivory
|
Anecdotal
|
Field
|
In its introduced range in the foothills of the Sierra Nevada mountains of the western US, Lithobates catesbeianus was the most abundant amphibian species, and is thought to be one of the main drivers of the extirpation of the red-legged frog (Rana aurora) and reduction in populations of the foothill yellow-legged frog (Rana Boyli).
|
Sierra Nevada Mountains, USA
|
35698
|
|
4104
|
Lithobates catesbeianus
|
Predation/Herbivory
|
Observational
|
Field
|
Lithobates catesbeianus have replaced the Northern Leopard frog (Lithobates pipiens) in wetland areas of Northeastern Colorado, and in areas where the species co-occur, the Leopard frog populations were not breeding.
|
Colorado, USA
|
19801
|
|
4303
|
Lithobates catesbeianus
|
Predation/Herbivory
|
Anecdotal
|
Field
|
Lithobates catesbeianus has been noted to jeopardize native, endemic pupfish through competition or predation by the Department of Interior's Desert Pupfish Task Force.
|
Death Valley, California, USA
|
36238
|
|
5028
|
Lithobates catesbeianus
|
Predation/Herbivory
|
Experimental
|
Laboratory
|
Invasive larval American bullfrogs, Lithobates catesbeianus, changed activity levels and morphology in response to predators. This could lead to trophic cascades and changes in how bullfrogs use resources.
|
Natal, Rio Grande do Norte, Northeast Brazil
|
37588
|
|
5032
|
Lithobates catesbeianus
|
Predation/Herbivory
|
Anecdotal
|
N/A
|
American bullfrog, Lithobates catesbeianus, alters abundance and distribution of native species through predation.
|
Rome, Italy
|
37589
|
|
5034
|
Lithobates catesbeianus
|
Predation/Herbivory
|
Anecdotal
|
N/A
|
American bullfrog, Lithobates catesbeianus, consumes native amphibians.
|
|
37591
|
|
5056
|
Lithobates catesbeianus
|
Predation/Herbivory
|
Anecdotal
|
N/A
|
Lithobates catesbeianus consumed native Californian amphibians and reptiles including San Francisco garter snake (Thamnophis sirtalis tetrataenia ), Sierran treefrog (Hyliola sierra), juvenile California red-leg frogs (Rana draytonii, and Pacific newts (Taricha spp..
|
San Francisco, California
|
37684
|
|
5057
|
Lithobates catesbeianus
|
Predation/Herbivory
|
Anecdotal
|
N/A
|
American bullfrogs, Lithobates catesbeianus, predate on native amphibians.
|
|
37687
|
|
5061
|
Lithobates catesbeianus
|
Predation/Herbivory
|
Anecdotal
|
N/A
|
Lithobates catesbeianus feeds on larger invertebrates, fishes, native amphibians, young reptiles and their own larvae and young adults.
|
Grote Nete, Belgium
|
37689
|
|
5066
|
Lithobates catesbeianus
|
Predation/Herbivory
|
Anecdotal
|
N/A
|
Bullfrog, Lithobates catesbeianus, preys on other amphibians.
|
|
37702
|
|
5067
|
Lithobates catesbeianus
|
Predation/Herbivory
|
Anecdotal
|
N/A
|
Bullfrog, Lithobates catesbeianus, preyed on native communities of at least 21 native anuran species in Brazil. The Hylidae family may be most susceptible to predation.
|
Brazil
|
37703
|
|
5201
|
Lithobates catesbeianus
|
Predation/Herbivory
|
Anecdotal
|
N/A
|
Bullfrog, Lithobates catesbeianus, causes substantial damage to native populations through predation.
|
not specified
|
37939
|
|
5211
|
Lithobates catesbeianus
|
Predation/Herbivory
|
Observational
|
N/A
|
Bullfrogs (Lithobates catesbeianus), were implicated in declines and size shift (removing smaller individuals) of Emys pallida and Emys marmorata (western pond turtles) as a consequence of predation on juvenile turtles.
|
California
|
37944
|
|
5313
|
Lithobates catesbeianus
|
Predation/Herbivory
|
Anecdotal
|
N/A
|
Through competition, predation, and disease transmission Lithobates catesbianus poses a threat to 13 species of native anurans in South Korea.
|
South Korea
|
38235
|
|
5495
|
Lithobates catesbeianus
|
Predation/Herbivory
|
Anecdotal
|
N/A
|
American bullfrogs, Lithobates catesbeianus, can prey on native amphibian species.
|
Southern Brazil Atlantic Forest
|
37696
|
|
5498
|
Lithobates catesbeianus
|
Predation/Herbivory
|
Anecdotal
|
N/A
|
Despite no apparent effects on anuran communities, invasive bullfrogs Lithobates catesbeianus were still predicted to create food-web changes either competition, predation, or food source.
|
Minas Gerais state, Brazil
|
37697
|
|
5500
|
Lithobates catesbeianus
|
Predation/Herbivory
|
Observational
|
N/A
|
A meta-analysis indicated American bullfrog, Lithobates catesbeianus, has a reduced number or prey items in diet and shows increased trophic plasticity in non-native ranges when in presence of different crayfish communities.
|
|
37708
|
|
5516
|
Lithobates catesbeianus
|
Predation/Herbivory
|
Observational
|
Field
|
The American bullfrog, Lithobates catesbeianus, goes through ontogenetic dietary-habitat shifts, so that moves up the food chain after its metamorphosis into an adult. These dietary changes shift even further when in the presence of another invader, the red swamp crayfish Procambarus clarki.
|
Monterotondo Scalo, Rome, Italy
|
37710
|
|
5519
|
Lithobates catesbeianus
|
Predation/Herbivory
|
Anecdotal
|
N/A
|
Bullfrogs, Lithobates catesbeianus, can consume many different vertebrates and invertebrates, including insects, crustaceans, mollusks, spiders, diplopods, fishes, amphibians, small reptiles, small mammals, and plant material.
|
Cuba
|
39801
|
|
5538
|
Lithobates catesbeianus
|
Predation/Herbivory
|
Observational
|
Field
|
Invasive American Bullfrogs, Lithobates catesbeianus, in Yunnan Province ate mainly insects and crayfish. They also consumed endemic amphibian species, Yunnan pond frog Babina pleuraden.
|
Yunnan Province, China
|
39805
|
|
5543
|
Lithobates catesbeianus
|
Predation/Herbivory
|
Observational
|
Field
|
Juvenile American bullfrog, Lithobates catesbeianus, consumed mainly invertebrates, while larger bullfrogs consumed small fish, tadpoles, and small mammals.
|
Grand Teton National Park, Wyoming
|
39810
|
|
5577
|
Lithobates catesbeianus
|
Predation/Herbivory
|
Experimental
|
Laboratory
|
American bullfrogs, Lithobates catesbeianus, occasionally consumed eggs of native Asian anurans, including the ornate narrow-mouthed frog (Microhyla ornata), Khabarovsk frog (Rana amurensis), and Chinese brown frog (Rana chensinensis).
|
Taohua Island, China
|
39834
|
|