| Impact ID | 5444 |
| Impact Type | Competition |
| Study Type | Experimental |
| Study Location | Field |
| Impact Description | Red legged frogs Rana draytonii from populations with Lithobates catesbeianus had lower survival rates than allopatric populations. |
| Reference | 37699 |
| Great Lakes Region | No |
| Cost | |
| Location | central California |