 Common species in the 21st century include crow, robin, starling, song sparrow, Bewick's wren, house finch, cedar waxwing, violet-green swallow, belted kingfisher, great blue heron, mallard, wood duck, bushtit, black-capped chickadee, raccoon, opossum, nutria, and moles.Less developed areas support black-tailed deer, coyotes, deer mice, voles, bats, western flycatchers, black-headed grosbeaks, orange-crowned warblers, common mergansers, and woodpeckers.Other wildlife in the watershed include beaver, river otter, freshwater mussels, and bald eagles.