| Impact ID | 4045 |
| Impact Type | Other |
| Study Type | Anecdotal |
| Study Location | Field |
| Impact Description | It is thought that the presence of Lithobates catesbeianus was responsible for the extirpation and continuing absence of the native Pacific treefrog (Pseudacris regilla) from ponds in Oregon. |
| Reference | 35695 |
| Great Lakes Region | No |
| Cost | |
| Location | Washington County, Oregon |