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Topic: American Black Duck

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	Black Ducks
		On the Atlantic coast and on the St. Lawrence estuary, the fl duck is particularly abundant in coastal marshes.
		In flight, the fl duck is identifiable by the flash of its white underwings.
		All ducks tend to return in fall and winter to the same marshes that they visited the previous year, but this trait is most pronounced in the fl duck.
	www.huntingsociety.org /blackduckInfo.html (2329 words)

	American Black Duck -- Facts, Info, and Encyclopedia article (Site not responding. Last check: 2007-11-06)
		The American Black Duck (Anas rubripes) is a medium-sized (Any of numerous shallow-water ducks that feed by upending and dabbling) dabbling duck.
		Black ducks interbreed regularly and extensively with (Wild dabbling duck from which domestic ducks are descended; widely distributed) Mallard ducks, to which they are closely related; some authorities consider that Black Duck is no more than a dark-plumaged race of Mallard, not a separate species at all.
		This (Small wild or domesticated web-footed broad-billed swimming bird usually having a depressed body and short legs) duck is a rare vagrant to (An island comprising England and Scotland and Wales) Great Britain, where, over the years, several birds have settled in and bred with the local Mallards.
	www.absoluteastronomy.com /encyclopedia/a/am/american_black_duck.htm (414 words)

	NatureWorks - American Black Duck (Site not responding. Last check: 2007-11-06)
		The American fl duck is not really fl, it is more of a dusky brown, In fact it is sometimes called the dusky duck.
		The American fl duck breeds in eastern and central North America from Manitoba and Labrador to Texas and Florida.
		Inbreeding between American fl ducks and mallards, along with habitat loss and competition with the mallard for resources, has led to a decrease in the number of American fl ducks in the last 40 years.
	www.nhptv.org /natureworks/americanblackduck.htm (500 words)

	American Black Duck Habitat Model (Site not responding. Last check: 2007-11-06)
		Black ducks nesting in coastal salt marsh in Nova Scotia foraged in the tidal marsh (Reed and Moisan 1971).
		Black ducks may associate with these vegetative and physiognomic features because of a combination of edge, cover, and invertebrate abundance (Reed and Moisan 1971).
		North of Chesapeake Bay, fl ducks forage primarily on tidal flats and rest in emergent wetlands, or remaining ice-free bays, rivers, and coastal reservoirs (Lewis and Garrison 1984).
	www.fws.gov /r5gomp/gom/habitatstudy/metadata/black_duck_model.htm (2017 words)

	FAQS ::: Black Duck Software, Inc. (Site not responding. Last check: 2007-11-06)
		The American Black Duck is unique: Both sexes have a sooty brown body and crown and a lighter brown on the neck and rest of the head.
		"The fl duck is notorious for being one of the smartest of all ducks.
		At Black Duck Software, we are inspired by our namesake: we aim to be smart, discern small differences between things that seem very similar, and, as you may notice, even the colors we have chosen for our Web site are the shades of the duck's coloring and watery habitat.
	www.blackducksoftware.com /resources/blackduck.html (233 words)

	Hinterland Who's Who - American Black Duck
		In flight, the American Black Duck is identifiable by the flash of its white underwings.
		On the Atlantic coast and on the St. Lawrence estuary, the American Black Duck is particularly abundant in coastal marshes.
		All ducks tend to return in fall and winter to the same marshes that they visited the previous year, but this trait is most pronounced in the American Black Duck.
	www.hww.ca /hww2.asp?id=14 (2339 words)

	Species-Specific Management (SSM)
		American fl ducks (Anas rubripes) are a prominent and economically important migratory bird of North America and Canada.
		The duck is highly prized by hunters and birdwatchers and serves as an indicator species of a healthy environment.
		Black ducks prefer shallow ponds since they are dabblers and will feed by skimming their bills through the mud.
	fwie.fw.vt.edu /rhgiles/SpeciesSSM/BDuck.htm (898 words)

	American Black Duck (Site not responding. Last check: 2007-11-06)
		Although the Mottled Duck sometimes wanders northward and may occasionally appear in northern Louisiana, any duck of the Black-Mottled type seen in the upper half of the state is likely to be the former species.
		The Black Duck is most likely to be confused with the Mottled Duck, but the latter is paler with a less streaked head and neck, an immaculate throat, and a more greenish speculum, often bordered in back by a prominent white line.
		Even in fresh plumage the Black Duck has only a faint white line on the back of the speculum, and this is usually concealed in the folded wing.
	www.losbird.org /labirds/abdu.htm (254 words)

	American Black Duck
		American Black Duck: This duck breeds from Manitoba southeast to Minnesota, east through Wisconsin, Illinois, Ohio, Pennsylvania, Maryland, West Virginia, Virginia, and in the forested portions of eastern Canada to nortern Quebec and northern Labrador.
		American Black Duck: Nine to twelve greenish-buff eggs laid at an interval of one day and incubated by the female for an average of 28 days.
		American Black Duck: This bird's diet consists mainly of plant food (seeds, vegetative parts of aquatic plants and crop plants) and small aquatic animals (insects, molluscs, amphibians, crustaceans).
	www.percevia.com /explorer/db/birds_of_north_america_western/obj/392/target.aspx (744 words)

	All About Birds
		Still, the fl duck seems to be holding its own in most of its range.
		Mottled Duck has paler appearance, broader buffy edging and internal markings on the body feathers, a greenish-blue speculum with a narrow white trailing edge, and a fl spot at the base of the bill at the gape.
		The United States and Canada started the Black Duck Joint Venture to try to restore the populations.
	www.birds.cornell.edu /programs/AllAboutBirds/BirdGuide/American_Black_Duck_dtl.html (430 words)

	Untitled Document (Site not responding. Last check: 2007-11-06)
		Pure bred fl ducks are dark chocolate brown all over, with a lighter brown head and neck, a yellow bill, dark or orange legs and a blue speculum, or wing-patch.
		The American fl duck is restricted to freshwater and marine habitats in eastern North America.
		The American fl duck is monogamous, and breeds in freshwater and brackish wetlands with abundant emergent vegetation.
	www.aquatic.uoguelph.ca /birds/speciesacc/Atlantic/Atl_Birds/Anatidae/A_rubripes.htm (423 words)

	Duck and Waterfowl Decoys by Lisa Byrd (Site not responding. Last check: 2007-11-06)
		Care must also be taken when identifying American Black Ducks in city and town parks as they tend to hybridize with the closely related Mallard.
		A bird of the northeastern Neararctic, the American Black Duck breeds across eastern Canada south to the mid Atlantic states.
		Several organizations such as the Black Duck Joint Venture, the American Black Duck Symposium, and the Atlantic Coast Joint Venture have focused on protecting hundreds of thousands of hectares of habitat from 1986 to 1998.
	www.tjbailey.com /lisa/blackduck.htm (409 words)

	The BirdWeb - Species Description (Site not responding. Last check: 2007-11-06)
		In flight, the Black Duck can be distinguished by the solid purplish-blue patch on its wing (lacking the white edges found on the Mallard) and the contrast between the dark body and upperwings and the light underwing linings.
		Black Ducks are unusual among dabbling ducks in that males and females are almost identical, distinguishable in the breeding season only by the bright yellow bill of the male.
		American Black Ducks are historically found in forested wetlands, tidewater areas, and coastal marshes of eastern North America.
	www.birdweb.org /birdweb/species.asp?id=67 (678 words)

	Ducks
		The American Black Duck is one of the only ducks in which both sexes have almost identical plumage: sooty brown on the body and crown and a lighter brown on the neck and rest of the head, with a dark stripe through the eye.
		Mallards are known as "surface feeding" ducks because they dip and dabble in the shallows of fresh and salt water marshes.
		The Mallard is a wide ranging duck and it is the most abundant duck in the Mississippi Valley.
	www.otsego.k12.oh.us /fieldgde/ducks.htm (518 words)

	TEXBIRDS Archives -- December 2000 (#252)
		Here's a few facts to add to Tim's Black Duck info (members of the TBRC may have more current data): There are currently only seven accepted records of this bird in Texas.
		The possibilty of Black Duck continues to dwindle everywhere as their DNA gene pool gets absorbed into the aggregate Mallard population via hybridization.
		When Gail Yovanovich was working on gathering Black Duck records for the TBRC in the early 1990's, she found at least some specimens in Texas museums to be misidentified Mottled Ducks.
	listserv.uh.edu /cgi-bin/wa?A2=ind0012&L=texbirds&F=&S=&P=25726 (425 words)

	Black Duck Joint Venture
		Once the most abundant fresh-water duck in eastern North America, fl duck populations began to steadily decline in the 1950s, reaching all-time lows in the 1980s.
		The Black Duck Joint Venture (BDJV) was formed in 1989 to help determine population trends and to identify the important factors responsible for this change, with the ultimate goal of ensuring the security of the fl duck throughout its range.
		Mission of BDJV: The Black Duck Joint Venture's mission is to promote and to coordinate the gathering of scientific information among Flyway Council, universities and wildlife agencies in Canada and the U.S., that is vital to ensuring sustained populations of Black Ducks and other waterfowl that share their breeding range.
	www.blackduckjv.org (153 words)

	Birdin' in IN: March 2004 Archives
		The Tufted Duck was not a lifer for me--I saw a male about nine years ago in California.
		However, Tufted Duck is extremely rare in the Midwest, so I couldn't pass up the opportunity to add this European visitor to my Illinois list.
		I had seen Black Vultures in Kentucky last month, but this was the first time I've seen them in Indiana this year.
	www.surfbirds.com /blogs/birdingdave/archives/2004_03.html (1067 words)

	Nearctica - Natural History - Birds of Eastern North America - Anatidae - American Black Duck (Anas rubripes) (Site not responding. Last check: 2007-11-06)
		The Mottled Duck is lighter brown in color and the hind margin of the blue speculum is common edged with a thin, white line.
		During the breeding season, the breeding range of the Black Duck is far north of that of the Mottled Duck.
		Habitat: The Black Duck occurs in a wide variety of aquatic habitats including marshes, lakes, ponds, coastal mudflats, and in estuaries.
	www.nearctica.com /birds/ducks/Arubri.htm (394 words)

	Bedford Audubon Society - Mallards and American Black Ducks
		The American Black Duck is found in habitats similar to the Mallard’s, but tends to be somewhat warier of humans, and so favors more secluded areas.
		Both drake and hen Black Ducks and hen Mallards are mostly brown, with lighter brown on the head and neck than on the rest of the body.
		At rest, the Black Duck appears a uniform very dark brown from the bottom of the neck to the tail.
	www.bedfordaudubon.org /birds/mall-abdu01.html (595 words)

	Wood Duck Fact Sheet (Site not responding. Last check: 2007-11-06)
		The males have a distinctive crested head that is iridescent green and purple, with a white throat with finger-like extensions onto the cheek and neck.
		Wood ducks are found throughout the Atlantic, Mississippi, and Pacific flyways in riparian areas, lakes, streams, wooded swamps, and fresh water marshes.
		The wood duck belongs to a classification of ducks known as surface-feeders or marsh ducks because of their feeding habit of dabbling and tipping their back ends up.
	www.dnr.state.md.us /wildlife/woodduck.html (237 words)

	ESPN Outdoors -- Conditions improve in duck nesting areas (Site not responding. Last check: 2007-11-06)
		Migrating ducks returning to important nesting areas in the north-central United States and southern Canadian prairies early this spring were greeted by dry conditions, according to the U.S. Fish and Wildlife Service's annual waterfowl survey.
		In the traditional survey area of western Canada, Alaska and the northcentral United States, the total duck population estimate (excluding scoters, eiders, long-tailed ducks, mergansers and wood ducks) is 31.7 million birds.
		In the eastern survey area, the American fl duck population estimate was 827 thousand birds, a decrease of 24 percent from last year's estimate of 1.1 million but similar to the 1999-2004 average.
	www.espn.go.com /outdoors/hunting/news/2005/0803/2123548.html (1107 words)

	Black Duck - New York, NY, 10016 - Citysearch
		The Black Duck, a 75-seat restaurant and lounge, is quickly emerging as one of Manhattan's best-kept secrets.
		Black Duck highlights Pan-Atlantic bistro fare and is housed in the new Park South Hotel, a boutique property located on 28th Street between Park and Lexington Avenues.
		Black Duck Restaurant and lounge is open for dinner seven days a week.
	newyork.citysearch.com /profile/11660480 (593 words)

	Managing the Black Duck (Site not responding. Last check: 2007-11-06)
		The bag limit for fl duck in the U.S. flyways is restricted to one bird per day, with a possession limit of two.
		The Black Duck Joint Venture (BDJV), signed in 1989, is designed to gather information vital to ensuring sustained populations of fl duck and other waterfowl that share their breeding range.
		In this area, an increase in breeding mallard populations corresponded with a decrease in breeding fl ducks.
	198.166.215.5 /natr/WILDLIFE/conserva/18-02-8.htm (1511 words)

	Black Duck Study
		In recent years, American fl duck populations have declined by as much as 60% on the wintering grounds.
		Ducks Unlimited (DU) and partners are trapping and radioing fl ducks across Long Island, NY as part of a two-year groundbreaking research project.
		Energy is important so that ducks survive the winter; have enough fuel for migration; and so that they carry enough fat to the breeding grounds for successful reproduction.
	www.ducks.org /conservation/Projects/GreatLakesAtlantic/AtlanticCoast/BlackDuckStudy.asp (432 words)

	Mottled/American Black Duck
		American Black Duck in Texas is a little understood or appreciated field problem for observers.
		One of the problems causing confusion is that all of the standard field guides illustrate the nominate race of Mottled Ducks which in the U.S. is most commonly found in Florida and the eastern Gulf Coast.
		The mounted American Black Duck at right and below was shot by a hunter in Minnesota in the late 1980s.
	www.greglasley.net /motblk.html (474 words)

	10 (number)
		American armored fighting vehicle production during World War II
		American Association for the Abolition of Involuntary Mental Hospitalization
		American Society for the Prevention of Cruelty to Animals
	www.brainyencyclopedia.com /encyclopedia/a/am/index.html (131 words)

	American Black Duck (Anas rubripes) (Site not responding. Last check: 2007-11-06)
		The majority of these are waterfowl such as ducks, geese, screamers and swans.
		The American Black Duck was first reported by Brewster, 1902.
		The American Black Duck is found in (but not necessarily limited to) the United States of America.
	www.unitedstatesfauna.com /americanblackduck.php (228 words)

	Duck Identification Using Wing Plumage
		Wings of ducks contributed voluntarily to the U.S. Fish and Wildlife Service by hunters are examined each year by experts.
		This procedure involves the determination of species, sex, and age of ducks through an examination of these detached wings.
		Subtle differences in feather color and feather texture are used to distinguish young ducks from adult ducks and males from females.
	www.npwrc.usgs.gov /resource/tools/duckplum/duckplum.htm (274 words)

	Birds of Nova Scotia - American Black Duck (Site not responding. Last check: 2007-11-06)
		A good distinguishing mark of the Black Duck in flight is the contrast of its white wing linings with its darker body.
		If a mother is killed or forcibly separated from her brood, another Black Duck with ducklings of her own, regardless of their age, will quickly adopt the orphans.
		The "Red legged Black Duck" was supposed to range further north in summer than the other.
	museum.gov.ns.ca /mnh/nature/nsbirds/bns0054.htm (490 words)

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