Delevan National Wildlife Refuge, Wildlife refuge in Colusa County, California, US
Delevan National Wildlife Refuge is a federally protected area of wetlands and uplands in the northern Sacramento Valley in California. It consists of shallow lakes, marshes, and grasslands that can be explored along two main roads open to foot traffic and vehicles.
The refuge was established in the early 1960s through a federal program aimed at protecting waterfowl populations across the country. The land was purchased from willing sellers to preserve habitat that had been used by migratory birds for generations.
Each winter, large flocks of waterfowl land in the shallow waters to feed, filling the wetlands with constant movement. Visitors can watch this seasonal gathering from roadside pullouts without disturbing the birds.
Maxwell Road and Four Mile Road are the two main routes for exploring the refuge, either on foot or by car. Winter is the best time to visit for bird activity, though access may be limited during high water periods or seasonal management work.
A rare plant called palmate-bracted bird's beak grows here, found in only a handful of locations across California. It depends on the specific wet and dry cycles that managers maintain through water control throughout the year.
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