Again big and brown, like a female Mallard, with the head and neck only slightly lighter brown. They will utilize any marsh or pond, but prefer brackish ponds near salt marshes (Sibley, 2000; Kaufman, 1996). The Mottled Duck has a large range, estimated globally at 200,000 square kilometers. The Mottled Duck, very range-restricted duck. The male and female mottled duck (Anas fulvigula) look about the same—unremarkable. The Status of Mottled Duck (Anas fulvigula) in ArizonaRichard E. Webster, P.O. The mottled duck has a buffy tan head and throat, contrasting with the mottled brown body that gives… Mottled ducks are found along the Atlantic and Gulf coasts from Mexico to South Carolina (Sibley, 2000). In that state, a nest with eggs was discovered April 25 with an adult with downy young observed as late as mid-September (Swarbrick 1975, Corman 2005). All are prone to some degree of vagrancy, and extralimital birds may sometimes occur within the range of Mexican Duck—and vice versa. Either one of them could easily be dismissed as just another female mallard, when in reality they are rare finds inland. Box 16412, Portal, AZ 85632; merlin@vtc.net. Native to the United States and Mexico, this bird prefers wetland and marine ecosystems, though it can live in areas of flooded agricultural land. Distribution Range. The ducks are fairly common within their restricted range; they are resident all-year round and do not migrate. They favor treeless … The Mottled Ducks or Mottled Mallards (Anas fulvigula) - also known as Dusky Ducks, Florida Ducks or Mottled Mallards - are medium-sized dabbling ducks.The ducks are fairly common within their restricted range; they are resident all-year round and do not migrate.. The Mottled Duck is intermediate in appearance between female Mallard and American Black Duck. Again the white wing linings contrast pretty sharply with the body in flight. The almost absence of brown highlights on a black duck’s shoulder feathers give the bird a much darker appearance than our resident mottled duck. Subspecies. Smaller populations thrive around the Gulf of Mexico, Alabama, and Mississippi, as well as Veracruz in Mexico which has the lowest number of ducks residing. Frontal shield has red swelling at upper edge, visible at close range. They have a greenish blue speculum with a narrow white, … Fulvous and black-bellied whistling ducks also call Florida’s wetlands home. A gray, duck-like bird with white bill and frontal shield, white undertail coverts, and lobed toes. Mottled ducks feed by dabbling in shallow water, and grazing on land. Mottled ducks can be found in abundance in Louisiana, Texas, and Florida. The Florida mottled duck (Anas fulvigula fulvigula) inhabits a relatively small range of approximately 90,000 km 2 within peninsular Florida, USA, and is threatened by habitat loss and genetic introgression with feral mallards (Anas platyrhynchos).Moreover, the Florida mottled duck population status has not been assessed for more than a decade. Many Mexican Duck pairs bond or re-bond by September in Arizona, earlier than “typical” Mallards. The breeding habitat is coastal marshes. In the continental U. S., there are three primary species with which the Mexican Duck is often confused: Mottled Duck, American Black Duck, and Mallard. 15" (38 cm). TABLE OF CONTENTS American Widgeon 18-23" (46-58 cm). Abundance and Range . The mottled duck’s home range is along the Gulf coast, and they prefer to spend their time in freshwater habitats instead of salt or brackish estuaries. Immatures similar but paler, with duller bill. So note the details. The Florida Duck (Anas fulvigula fulvigula) The Mottled Duck (A. f. maculosa) Habitat ID’ing black ducks vs. mottled ducks. Mexican Ducks are resident in their breeding range (Oberholser 1974, Lockwood and Freeman 2004). They mainly eat plants, but also some mollusks and aquatic insects.

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