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Anas discors
Small dabbling duck, purple-gray head, distinct white crescent on face. Upperparts are scaled buff, dark brown; underparts are pale brown with numerous dark spots. Wings have green speculum, pale blue shoulder patch visible in flight. Fast direct flight with steady wing beats.
Hagerman National Wildlife Refuge, a haven for migratory birds and other wildlife, lies on the Big Mineral Arm of Lake Texoma, on the Red River between Oklahoma and Texas. The refuge is made up of water, marsh, and upland habitat. The main focus at Hagerman NWR is providing a winter home for thousands of waterfowl. Foremost among the waterfowl are Canada geese. During fall, winter, and spring, numbers can reach 7,500 or more. Other geese include white-fronted and snow geese, with a scattering of the smaller Ross' geese.
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