The Mottled Duck Anas fulvigulais a non- Along the Gulf of Mexico coast lives a rich brown duck with a lovely buff head and neck, a bright yellow bill, and a distinctive black spot at the gape. Individuals are known to live for 20 years and can grow to 1330 g. Reproduction is dioecious. Mottled duck hens lay an average of 9 eggs. About the Mottled Duck Breeding. The sexual dimorphism of the mottled duck is hard to distinguish because both sexes have nearly the same coloration the exception is that the female has lighter plumage than that of … It formerly included additional species but following the publication of a molecular phylogenetic study in 2009 the genus was split into four separate genera. Ducks also have shorter necks and wings and a stout body. Mottled Duck Conservation Plan (PDF) List of Priority Landbird, Shorebird, and Waterbird Species (Microsoft Word Doc) Reddish Egret Plan Setting Northern Bobwhite Objectives for the Gulf Coast Prairie Landscape Conservation Cooperative: A Tri-Joint Venture Initiative Many duck breeds display sexual dimorphism, with the males (Drakes) being more brightly colored than the females (Ducks/Hens). The mottled duck belongs to a worldwide group of approximately 20 species of closely related ducks called the mallard complex. Also, a lot of duck species moult typically before migration (at that time they become flightless and seek out protected habitats with good food supplies). A close relative of the Mallard, the Mottled Duck is the only dabbling duck specialized for nesting in southern marshes, far to the south of most of its relatives. The genus now contains 31 living species.
The name Anas is the Latin for "duck". The Florida mottled duck is one of a few non-migratory ducks in North America. strategies. Breeding areas include both inland freshwater and coastal marshes.
Mallard Duck Characteristics. White bars in wing are very narrow, and may not be noticeable.
The mottled duck can be distinguished from mallards by examining the borders on the bluish-green speculum. The female Mallard is predominantly mottled with each individual feather showing sharp contrast from buff to very dark brown. Along the Gulf of Mexico coast lives a rich brown duck with a lovely buff head and neck, a bright yellow bill, and a distinctive black spot at the gape. It’s reminiscent of a female Mallard or an American Black Duck, but this is the closely related Mottled Duck. Request PDF | RECRUITMENT OF MOTTLED DUCKS (ANAS FULVIGULA) ON THE UPPER TEXAS GULF COAST | Surveys of the mottled duck (Anas fulvigula) population in … Samples were collected from the western Gulf Coast region, USA, in 2009-2014. The mottled duck (Anas fulgivula) is a non‐migratory duck dependent on coastal habitats to meet all of its life cycle requirements in the Western Gulf Coast (WGC) of Texas and Louisiana, USA.This population of mottled ducks has experienced a moderate decline during the past 2 decades.