Imperial National Wildlife Refuge

The Imperial National Wildlife Refuge protects wildlife habitat along 30 miles (50 km) of the lower Colorado River in Arizona and California, including the last un-channeled section before the river enters Mexico. The Imperial Refuge Wilderness, a federally designated, 15,056-acre (60.93 km2), wilderness area is protected within the refuge.[1] It also surrounds the Picacho State Recreation Area. This section of the Colorado River is popular for boating, hiking, fishing, camping, exploring old mining camps and wildlife watching.

Imperial National Wildlife Refuge
Map of the United States
LocationImperial County, California, La Paz County, Arizona, and Yuma County, Arizona, United States
Nearest cityYuma, Arizona
Coordinates33°0′N 114°30′W
Area25,768 acres (104 km2)
Established1941
Governing bodyU.S. Fish and Wildlife Service
WebsiteImperial National Wildlife Refuge

The river and its associated backwater lakes and wetlands are a green oasis, contrasting with the surrounding desert mountains. It is a refuge and breeding area for migratory birds and local desert wildlife.[2]

Wildlife

Even though it is located in the Sonoran Desert, the Imperial National Wildlife Refuge is home to a mostly wetland environment. Wetland wildlife is most abundant in winter, when birds such as cinnamon teal and northern pintail use the refuge. During the summer months, permanent residents such as great egrets are abundant. The Colorado River plays a vital role in the lives of desert fauna. It is the only water source for many miles. Small animals such as the black-tailed jackrabbit and western whiptail lizard are plentiful. Desert bighorn sheep and mule deer also call the refuge home.[2]

Birds

A full list of birds found on the refuge can be found on the refuge website.[3]

Forest in the Desert

At one time, the banks of the Colorado River were lined with cottonwood and willow forests, sustained by the river’s natural periodic flooding. Animals depended on this green forest oasis for breeding, resting, feeding, and shade. Woodcutting during the steamboat era, clearing for agriculture, wild fire, exotic plants like salt cedar, and use of dams for flood prevention have devastated cottonwood and willow stands along the lower Colorado River. Some animals that depended the riparian forests, such as the southwestern willow flycatcher (Empidonax traillii extimus), have become endangered.[2]

Trails

The Painted Desert Trail is a 1.3-mile self-guided trail for an opportunity to see desert plants and wildlife. The trail takes you through a rainbow of colors left by 30,000-year-old volcanic activity and features a panoramic view of the Colorado River valley.

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See also

References
  1. "Imperial Refuge Wilderness". Wilderness.net.
  2. "Imperial National Wildlife Refuge". United States Fish and Wildlife Service. Retrieved 2009-08-04.
  3. "Bird Checklists of the Imperial National Wildlife Refuge".
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