| Impact ID | 4044 |
| Impact Type | Predation/Herbivory |
| Study Type | Observational |
| Study Location | Field |
| Impact Description | The nonnative bullfrog Lithobates catesbeianus feeds on native western treefrogs. |
| Reference | 35695 |
| Great Lakes Region | No |
| Cost | |
| Location | Washington County, Oregon, USA |
