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Photo Courtesy Patrick Ledonio VIEW PHOTO GALLERY
Nearby Parks: Delevan National Wildlife Refuge Sutter National Wildlife Refuge
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| National Park Overview: |
 | Colusa NWR is part of the Sacramento NWR Complex located in the Sacramento Valley of northern California. The Refuge consists of over 4,500 acres in Colusa County. |
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| Related Links: |
 | Bird Checklists of the United States - ... National Wildlife Refuge -- Willows, CA Delevan National Wildlife Refuge -- Willows, CA Colusa National Wildlife Refuge -- Willows, CA Sutter National Wildlife Refuge -- Willows, CA Butte Sink ... |  | Mike Casazza - Personal web page ... L. Casazza, and Lisa L. Martin. 2003. Montioring Giant Garter Snakes at Colusa National Wildlife Refuge: 2002 Progress Report. Report for the U.S. Fish and Wildlife Service ... |  | National Wildlife Refuges - Within A Day Trip from the Bay Area - Antioch Dunes, Colusa, D - ... A Day Trip from the Bay Area Antioch Dunes National Wildlife Refuge Colusa National Wildlife Refuge Delevan National Wildlife Refuge Ellicott Slough National Wildlife Refuge Farallon National ... |  | Colusa County - ... Bird Club Yolo Audubon Society Birding Sites Sacramento Valley Wildlife Areas - Map Colusa National Wildlife Refuge Colusa National Wildlife Refuge - Map Delevan National Wildlife Refuge Delevan ... |  | Travel and Recreation - The Red Bluff Notebooks - ... Fishing Reports California Department of Fish and Game Central Valley Project Colusa National Wildlife Refuge Corning Business Page Corning on the Web Sacramento River National Wildlife Refuge ... |  | Office Directory: U.S. Fish and Wildlife Service - Directory for offices of the U.S. Fish and Wildlife Service. ... NATIONAL WILDLIFE REFUGE VALLEJO, CA 707-562-3000 COLUSA NATIONAL WILDLIFE REFUGE WILLOWS, CA 530-934-2801 BLUE RIDGE NATIONAL WILDLIFE ... |
| Area Attractions: |
| Colusa NWR is part of the Sacramento NWR Complex located in the Sacramento Valley of northern California. The Refuge consists of over 4,500 acres comprised of seasonal marsh, permanent ponds, watergrass, and uplands.
The refuge was established in 1945 under the Authority of the Migratory Bird Treaty Act and the Lea Act. The Lea Act was passed to acquire habitat for migratory waterfowl and thereby alleviate severe crop losses experienced by rice growers.
Major objectives of the Refuge are: provide feeding and resting habitat for wintering waterfowl; provide habitat and manage for endangered, threatened or sensitive species; preserve a natural diversity and abundance of flora and fauna; alleviate crop depredation; and provide public use activities such as wildlife observation and hunting. The refuge is divided into 30 units, and wetlands comprise about 78% of the total acreage.
As wetlands of the Central Valley have been lost (95% over the past 100 years), the waterfowl resource has become increasingly dependent upon the refuges of the Sacramento Valley. The refuge typically supports wintering populations in excess of 200,000 ducks and 100,000 geese. As a result, the marsh management program is one of the most intensive in the refuge system.
Waterfowl are present September through March with peak populations occurring during December and January. Numerous birds and mammals are present year round. |
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