Tricolored blackbirds are a colonial species that is mostly limited to the Central Valley and surrounding foothills of California. This species has been known to have over 100,000 nesting birds at Delevan NWR. They are typical found here May-June.Visit the Sacramento NWR's wildlife webpage
About the Complex
The Complex headquarters are located at Sacramento NWR, in Willows, CA.
CONTACT US: Sacramento NWRC, 752 County Rd 99W, Willows CA 95988. Phone:(530)934-2801. Email: firstname.lastname@example.org
Delevan is managed as part of the Sacramento NWR Complex.
Learn more about the complex
About the NWRS
The National Wildlife Refuge System, within the U.S. Fish and Wildlife Service, manages a national network of lands and waters set aside to conserve America’s fish, wildlife, and plants.
Learn more about the NWRS
Wildlife viewing at Delevan is limited to the surrounding public roads (Maxwell and Four-Mile Roads). For greater visitor opportunities, visit Sacramento or Colusa NWRs (see "Plan Your Visit" below).About Delevan National Wildlife Refuge
There are additional visitor opportunities throughout the Sacramento NWR Complex! Birdwatching, photography, hiking and hunting are just a few of the things our other refuge have to offer....Plan Your Visit
Find out more about waterfowl hunting on the Sacramento NWR Complex.Hunting on the Complex
From Williams, take Interstate 5 north approximately nine miles to Maxwell Road exit. Drive east on Colusa-Maxwell Road for approximately four miles to graveled Four Mile Road, which parallels the west refuge boundary. From Colusa, travel north on the Colusa-Princeton Road approximately 5 miles to Colusa-Maxwell Road. Turn west and travel four miles to graveled Four Mile Road. The Delevan Hunter Check Station is located on Four Mile Road. Limited wildlife viewing is available from Maxwell and Four Mile Roads.click here to find: Directional Maps to Refuge and to Hunter Check Station
Did you know?
Often small groups of northern shovelers bring food to the surface by swimming rapidly in a circle while swinging their bills side to side. They strain aquatic vegetation, plankton, and tiny invertebrates through the comblike edges of their shovel-shaped bill.
Page Photo Credits All photos courtesy of USFWS unless otherwise noted.
Last Updated: Oct 30, 2014