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Species Code: ANST
Breeding Range Map
Metadata (Data about data or how the map was made)
This species is common in the lowland freshwater bodies and wetlands of eastern Washington, especially in the Columbia basin. In western Washington the Gadwall is locally common in the appropriate habitat (described below) near urban/suburban areas of the southern Puget Trough roughly from Mount Vernon to Olympia such as King County and along the Columbia River.
In eastern Washington, open freshwater in steppe zones were core areas of use, and grassland and shrubland in Ponderosa Pine were peripheral areas of use. In western Washington, Gadwalls are often associated with developed and cleared areas, and low-to mid-density developed areas, agriculture and clearings were included knowing there may be smaller pockets of habitat suitable for them. Despite the large amount of wetlands available in western Washington, Gadwalls show a distinct preference for urbanized areas in the southern Puget Trough and rarely breed anywhere else.
Translated from the Washington Gap Analysis Bird Volume by Uchenna Bright
Text edited by Gussie Litwer
Webpage designed by Dave Lester