| Impact ID | 5211 |
| Impact Type | Predation/Herbivory |
| Study Type | Observational |
| Study Location | N/A |
| Impact Description | 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. |
| Reference | 37944 |
| Cost | |
| Location | California |