—Bangor Daily News, An article c. 1997 by Pat Corr (retired) A closer look at the head shows glossy green and purple setting off the striking white patch. Several dabblers have bills adapted for straining tiny items out of muddy water. Dump nesting refers to the activity of another duck laying her eggs in an established nest and leaving. Mergansers breed later (2 years), have longer incubation period (22-37 days), and nest earlier (February to April) than other divers. Like common and hooded mergansers and common goldeneyes, wood ducks nest in tree cavities. Divisions of Planning and Coordination and Wildlife. Some also hold their wings partly open when submerged. Female: Dark brown head and back, light brown breasts, and white above the bill. A buoyant, large-headed duck that abruptly vanishes and resurfaces as it feeds, the tiny Bufflehead spends winters bobbing in bays, estuaries, reservoirs, and lakes. Wildlife Biologist, The diet includes aquatic insects and plants. Maine Department of Inland Fisheries and Wildlife. The diet includes aquatic insects and plants. Source: Closely followed with some editorial and content changes from “Ducks” at http://www.maine.gov/ifw/wildlife/species/waterfowl/#ducks (accessed September 17, 2011), Crenshaw, William James. The hen who established the nest may incubate the eggs or abandon the nest. It has a rapid direct flight with strong, quick wing beats. The crest of the head is iridescent green in front to purplish in the rear, burgundy feathers are found behind each eye, and the sides of the head are purple, blue-green, and bronze. Incubation and nest success is variable among species. Reproduction. Flight is direct with rapid wing beats. Crown is black and nape is pale green. 1976. black duck). choose your state. Whatbird parametric search. The average nest has 9 eggs and hens incubate their eggs for 21-29 days. Eiders are well known for … They will also feed on land in open areas. Wings are white with black primary and secondary feathers. Mollusk are less important part of mallards and pintails diet. Description Dabbling ducks common in Maine are the American black duck,the mallard, green-winged teal, blue-winged teal, and wood duck. Garganey: This small dabbling duck has black-streaked, gray upperparts, chestnut-brown mottled face and breast, pale gray flanks, and a white stripe above the eye that runs down the neck. Special Collections.]. Reproduction. (Thesis (M.S.) Adult male Bufflehead have a white body, black back, and a dark head with a large white patch that wraps around the back of the head. In flight adult males have a large white patch on the upperwing; females and first-year males have a smaller white wing patch. Merganser’s diet consist primarily of fish and crustaceans, and the hooded merganser has the most diverse diet among the mergansers. Norton, Arthur Herbert. Habitats and Food Habits. Nest success ranges from 32-75%. Lesser scaup, with the exception of sea ducks, feed in deeper water than any other diver, typically 10-25 feet deep. in Wildlife Management–University of Maine, 1974.) Dabbling ducks form short pair bonds that weaken during the onset of incubation. The female is dull brown with a white patch on the face at base of bill. in Zoology–University of Maine, 2000.)[Orono. Bill is dull yellow to gray-green (eastern) or orange-yellow (western). http://www.mefishwildlife.com, Your email address will not be published. Wood ducks incubate their eggs for 28-37 days longer than other dabblers. Various Years. Iridescent throat patch can appear purple, green or black. Eider. (Thesis (M.S.) Habitat and Food Habits. Fast direct flight with rapid wing beats. Whatbird.com logo design courtesy of The Haller Company, Large (16 - 32 in) Black Duck-like in Maine. Raymond H. Fogler Library. It has a rapid direct flight with strong, quick wing beats. Dabbling ducks lay a clutch of 5-15 eggs with the average nest having 10 eggs. Drake woodies remain with their mates longer than most ducks, allowing them opportunity to renest if their initial nest is lost. University of Maine. Diving ducks have a strong homing ability with a large percentage of them returning to the same breeding areas each year. Females are a subdued gray-brown with a neat white patch on the cheek. Wood ducks inhabit streams, rivers, flood plains, lakes, swamps, and beaver ponds. The blue-winged teal is the last to reach its breeding grounds and thus nests the latest of all dabblers. Northern shoveler, Northern pintail, gadwall, European widgeon, American widgeon and fulvous whistling ducks also occur in Maine, but are less common. Diving ducks feed by diving from the surface and swimming underwater. Ring-necks and redheads typically feed in shallower water, sometimes so shallow they do not need to dive. Migratory Game Birds. Special Collections.]. Articles about Maine history, government, ecology, economy, recreation, towns, natural features, famous people, sports, with maps, photos, and videos. Females and first-year males are gray-brown overall with an oval, white cheek patch. Wildlife Division Research & Management Report. Notify me of follow-up comments by email. Augusta, Me. University of Maine. Hens incubate eggs for 22-30 days. Acorns, when available, are the favored food of wood ducks. Northern shoveler, Northern pintail, gadwall, European widgeon, American widgeon and fulvous whistling ducks also occur in Maine, but are less common. The hatching rate of eggs is variable among diving ducks ranging from 25-70%. Feeds mostly on fish, some crustaceans and insects. Copyright © 2020 Publius Research unless otherwise noted. Diving ducks typically first breed at 1 year of age, however scaup do not breed until 2 years of age. Washington, D.C. American Ornithologists’ Union [etc.]. Gadwell’s have the highest nesting success and green-winged teal have the lowest. Both scaup species have the lowest nesting success rate. Swift direct flight with steady wing beats. Some pair bonds only last a few days after incubation begins whereas others maintain the bond up to 3 weeks into incubation.