Many accounts are incomplete although new information is being added continuously.
Errors do occur.
Users are cautioned to refer back to the original cited source to assess completeness and correctness before using the information. Web updates are intermittent, not continuous, therefore some dynamic information such as legal status may not be absolutely current. The species Rana onca once occured around stream sides and several springs along the Virgin River in Washington County. 02 Comments on Species Association Predation or competition by bullfrogs has been blamed for declines of relict leopard frogs, spotted frogs, northern leopard frogs, and others. Arizona Game and Fish Department.