| These routes used by migratory birds for passage between wintering and breeding ranges are called flyways. |
| Most pipits and wagtails are migratory, although some southern species may be residents. |
| Eastern Washington populations are migratory, while west-side birds are resident. |
| Other migratory fish are the twaite and very rare allis shads which migrate up the river to spawn in the spring. |
| Even the lake-dwelling jollytails are migratory and travel up small streams to spawn. |
| A large number of migratory birds come to the swamps and jhils in the southern portion of the district. |