| It provides an important habitat for almost 400 species of migratory birds, 80 species of mammals, and 40 species of reptiles and amphibians. |
| Other migratory fish are the twaite and very rare allis shads which migrate up the river to spawn in the spring. |
| One of the most strongly migratory woodpeckers, the Red-naped Sapsucker travels as far south as central Mexico for the winter. |
| Even the lake-dwelling jollytails are migratory and travel up small streams to spawn. |
| Most pipits and wagtails are migratory, although some southern species may be residents. |
| All populations of Lincoln's Sparrows are migratory, although some summer and winter ranges overlap in New Mexico and Northern California. |
