Swans, Geese, and Dabbling Ducks

17 cards | Total Attempts: 188 | Created by knomura | Last updated: Sep 22, 2015 | Total Attempts: 188

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Swans, Geese, and Dabbling Ducks - Flashcards

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Cards In This Set

Front	Back
	Greater White-Fronted Goose (Anser albifrons) 28 inches from tip of beak to tip of tail White patch at base of bill (whit eband) White like between the wing and the breast Orange legs/feet Dark patches on belly Hunters call them speckled belly Orange bill Dark body and head Migratory: Breeds in the arctic; circumpolar Winters in Mexico, Gulf states, Central Valley CA, N Africa, India 4-6 eggs (mean, range;1-7) general goose reproduction Status: common, may cause crop damage; generally INCREASING General Diet: Aquatic vegetation, grass shoots, terrestrial and aquatic invertebrates, seeds/grain General Habitat: Tundra (way above the tree line) during breeding, otherwise marshes, grain fields, ponds, and bays General reproduction: monogamous, long term pair bonding, precocial young Nest is a scrap (slight depression in the ground) lined with feathers and vegetation
	Snow Goose White bird, goose size Black gape/grin stripe/patch Black wing tips White body (except BLUE phase) Head feathers often stained a bit orange Pink bill White lore feathers Snow goose and blue goose are the same! Blue phase abundant on the Gulf Coast but rare in the west Blue morph Grayish blue body White head and neck Migratory Breeds in Arctic North America, NE Siberia and japan Winters in Mexic, along the Gulf Coast and various places in US 3-5 eggs (mean, range: 2-6) Precocial Status: 45 million; increasing exponentially Game species Overabundance problems Thrives in agricultural areas Habitat destruction BY snow geese General Diet: Aquatic vegetation, grass shoots, terrestrial and aquatic invertebrates, seeds/grain General Habitat: Tundra (way above the tree line) during breeding, otherwise marshes, grain fields, ponds, and bays General reproduction: monogamous, long term pair bonding, precocial young Nest is a scrap (slight depression in the ground) lined with feathers and vegetation
	Ross' Goose All-White body Slightly smaller Black wing tips Bill does not have a grin patch! It has a slightly darker patch More duck size than goose size Dark base of bill Short neck Migratory Breeds in Arctic Canada Winters in California, SW US and Gulf Coast Not as abundant as the other geese General goose diet and habitat 4 eggs (mode, range: 2-6) Breeds on islands in tundra lakes Otherwise general goose reproduction Status: Increasing, >1M estimated General Diet: Aquatic vegetation, grass shoots, terrestrial and aquatic invertebrates, seeds/grain General Habitat: Tundra (way above the tree line) during breeding, otherwise marshes, grain fields, ponds, and bays General reproduction: monogamous, long term pair bonding, precocial young Nest is a scrap (slight depression in the ground) lined with feathers and vegetation
	Canada Goose Black head and neck Prominent white chin strap Brownish grey body White under rump Migratory Breeds in alaska, canada, and N US Migrate in larg v shape flocks to south and coastal US for winter The more nothern pops go further south General goose habitat. Also in populated or suburban areas. Often nest on small islands. General goose diet. Eats a lot of grain in winter 5 eggs (mode, range:1-9) General goose reproduction Status: increasing rapidly (5.9-11.3% annually) but consider subspecies status Aleutian Canada Goose Arctic foxes introduced to breeding islands Population declined to 800 individuals Listed as endangered 1967 Created a fox eradication program, was successful. Prohibited hunting of this species 1990 downlisted to threatened 15000 individuals nesting on 8 islands most common and widespread goose in North America. Overabundance problems Go through a period where they lose their flight feathers. Increasing resident (non-migratory) pops in US There are complaints
	Brant (branta bernicla) Small (25") Black neck and head Gray-black White rump White collar on neck We have one in the room Migratory Breeds in alaska and N. Canada Winters along coasts in baja California Marine bird so it breeds on the arctic coast and moves downt he pacific coast to baja CA, and on the atlantic side goes down east coast Habitat: breeds in tundra, otherwise more strictly coastal than other geese (bays and estuaries) General goose diet but eats eelgrass Disease wipes out eelgrass in 30s; population decline; eelgrass increasine 3-4 eggs (mean. Range:2-6) Go through an eclipse phase where lose flight feathers
	Trumpeter Swan All white body All black bill (straight), flat head BIG: 60" largest native waterfowl Lots of black touching the eye No yellow on bill at all Migratory (mostly) Breeds in alaska, canada, winters along west coast of canada and spots in northern US Non migratory pop near yellowstone General swan habitat and diet. Occasionally eats small vertebrates. Tip up when eating 4-6 eggs (no statistical information) General swan reproduction Often nests on muskrat houses Conservation: Formerly ranged ove rmuch of north america Hunted for meat and feathers Pushed out of breeding grounds by development and agriculture Believed extinct around 1900 1932 69 trumpeter swans found in Rockies 1954 all time low of 35 birds Previously unknown Alaskan pop Removed from endagered species list
	Tundra Swan White body, black bill Bill is slightly concave Yellow spot in front of eye 52" Migratory Breeds along N coasts of Canada and Alaska Winters in NW US and central eastern coast of US Most common swan in the US, general swan habitat and diet Young ones are called signets 3-5 eggs (mean) general swan reproduction Nests early in the year, when weather conditions keep the tundra impassable Status: increasing
	Wood Duck White belly; male brilliant colored Distinctive face patterns Crest Red eye Fancy gold patches and white stripes Some populations migratory but pretty much resident Range: most of US Habitat: wooded marshy areas Diet: general diet plus acorns and berries General reproduction but nest in tree cavities near water Females dump eggs in other female's nests 9-12 eggs (mean) in non-parasitized nests (not in nests that others have dumped eggs in) Status: was near extinction in early 1900s Migratory bird treaty act 1918 Curtailed hunting seasons Habitat manipulation Cavity nesters Nest boxes increased populations Status: increasing (2.4-4.6% annually)
	Gadwall Gray with black rump White speculum Yellow feet Reddish brown forewing Golden feathers on top of wing Migratory Breeds in northern US, central Canada and coastal Alaska Duck factory, purypothole country? Winters in western and southern US and Mexico General dabbler Habitat-will breed in grassy areas form water Diet- plus nuts and small vertebrates Reproduction- 9-11 eggs (means, range: 5-23) The smaller the bird, the more the eggs generally speaking Status- increasing Range expanding eastward
	American Wigeon Dark eyepatch (iridescent in male) White crown on head Blue bill with black tip Fancy feathers with black down the middle and white on the outside Migratory Breeds in northern US, Canada, and Alaska, prairie pothole country Winters in coastal and southern US and Mexico General Dabbler Habitat- also frequents fields Diet- pluss grass, loves lettuce Reproduction 7-8 eggs (mean, rang 3-11) Status; increasing (breeding range expanding eastward
	American Black Duck Brownish black Paler brown head and neck Dark cap and eye line 23" Bill olive to yellow Violet speculum (dark purple) Pink feet, yellow bill Migratory Range: Summer;eastern us (NE and N America) Winter: SE US Typical dabbler in diet and habitat Can be foun din lagoons or at sea when not breeding 9-10 eggs (mean, rang:5-15) Can withstand a certain amount of harvesting Population had declined but have been several positive signs Blue list 1980-81 Special concern 1982,1986 Black Duck Joint Venture-NAWMP Survey, banding, research Factors: Habitat destruction Over-hunting Hybridization with mallards Breeds with introduced mallards Competition Status: probably stable at present, but historical concern over declines 1955-...
	Mallard Iridescent green head Yellow bill Chestnut breast with narrowwhite neck collar Central tail feathers (black) that curl up Migratory Range N hemisphere, africa and india Some are resident in the middle The oens breed farthest north migrate farthest south while the ones in the middle are more resident Typical dabble diet and habitat Repriduction, males may gang up on females 9 eggs (mean, Most abundant duck in the work (10 million n US) most commonly hunted waterfowl in US Status: stable game species
	Blue-Winged Teal Grey/blue head, white facial crescent Blue on forewing Black bill, yellow legs, spotted body Blue speculum Tend to be smaller and fly faster. Require aquatic vegetation Migratory Range: canada to Northern S America Breeds throughout N America Typical dabbler diet and habitat Not generally grain eaters, but it is an important source in autumn General reproduction 10 eggs (mean) Status: probably stable
	Cinnamon Teal Dark cinnamon clor Yellow legs Green speculum Blue forewing patch Migratory Range: sw Canada to s America Winters down into mexico A lot found in central valley Hotspot; great salt lake in Utah Tule lake Typical dabbler diet Habitat similar to other dabblers but makes gresater use of alkaline wtlands Clutch 9-11 eggs Status: probably Stable, but it is a harvested game species
	Northern Shoveler Large teal Green speculum and head (male) Male and female have blue forwing patch Specializes in mocing bill bak and ofrth under the surface of the water to ensure that Migratory N Hemisphere to northern S America. Eurasia and E Africa Where is this species' winter range? Southwestern us, latin america, california coast Typical dabble rhabitat Strains vegitation and invertebrates from water surface Clutch 9-11 eggs Blue patch on wings Status: increasing