Term
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Definition
- Greater White-fronted Goose
- Circumpolar, breeds in arctic and winters in central valley, Mexico, gulf states
- migratory
- General Goose habitat
- General goose diet
- 4-6 eggs
- General goose reproduction
- Increasing, common, 1970s decline in Pacific Flyways
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Term
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Definition
- Snow Goose (also has "Blue Goose" morph, with grey body and white head/neck)
- Breed in arctic, Siberia, Japan to Mexico, gulf coast, and US
- Migratory
- General goose habitat
- general goose diet
- 3-5 eggs
- Colonial breeder, travel in large groups
- Increasing exponentially, overabundant, 4.5 million, thrives in ag areas, habitat destruction
- Blue Goose rare in West, common gulf coast
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Term
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Definition
"Blue Goose"
Same as Snow Goose |
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Term
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Definition
- Ross' Goose
- Breeds arctic Canada winters in CA, SW US, Gulf Coast
- Migratory
- General goose habitat
- General goose diet
- 4 eggs
- General, breed on islands in tundra lakes
- Increasing, 1 million currently
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Term
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Definition
- Canada Goose
- Breed in Alaska, Canada to N. US to S. and coastal US
- Migratory, some resident
- General goose habitat, often near people
- general goose diet, lots of grain/lawn
- 5 eggs
- General goose reproduction, nest on small islands
- Increasing, most common goose in N.A., overabundance, increasing resident populations 5.9 to 11.3% growth/year
- Aleutian Canada Goose threatened, artic fox on breeding islands, 800-->15,000
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Term
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Definition
- Brant, probably use speciman
- Breed in AK+N. Canada to US coasts+Baja CA
- Migratory
- Breed in tundra, winter range=coasts/bays/estuaries
- General goose diet, EELGRASS
- 3-4 eggs
- General goose repro
- Disease of eelgrass in 1930s hurt populations, now they've recovered, populations increasing
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Term
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Definition
- Trumpeter Swan
- Winters along west caost canada+N US+Yellowstone, breeds in AK+canada
- Most migratory
- General goose habitat
- General goose diet+small invertebrates
- 4-6 eggs
- General repro, often use muskrat house as base for nest
- Increasing, formerly ranged all N. America but hunted for meat/feathers, pushed out of breeding grounds for development+Ag
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Term
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Definition
- Tundra Swan
- Breed in N. Coast of Canada+AK winter in NW US+Central East
- Migratory
- General goose habitat
- General goose diet
- 3-5 eggs
- platform nests, nest earlier in year when tundra conditions are impassible
- Incresaing
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Term
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Definition
- Wood Duck
- Most of continental US
- Some migratory, lots of resident
- General habitat but favor woods
- General diet+acorn/berries
- 9-12 eggs
- Nest in tree cavity near water, female dump eggs in other nests
- Near extinction 1900s, nest manipulation helped pop, increasing
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Term
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Definition
- Gadwall
- Breed in N. US/coastal AK/Central Canada, winters down to Mexico/US
- Migratory
- General habitat, will breed in grass away from water
- General diet, nuts/small vertebrates
- 9-11 eggs
- General reproduction
- increasing, range expanding east
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Term
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Definition
- American Widgeon (eyepatch is iridescent)
- Breed N. US/Canada/AK winter in Mexico/Coastal US
- Migratory
- General habitat+fields
- General diet+grass
- 7-8 eggs
- General repro
- Increasing+expanding East
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Term
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Definition
- American Black Duck (purple speculum)
- Breed in NE N. America, winter in SE N. America
- Migratory
- General habitat +sea/lagoons in winter
- General diet
- 9-10 eggs
- General repro
- Stable, previous declines b/c competation/hybridization w/ mallards
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Term
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Definition
- Mallard
- N. hemisphere, Africa, India
- Some resident
- General habitat
- General diet
- 9 eggs
- General reproduction, males gang up on females
- Stable, most common duck in world, 10 million in US
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Term
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Definition
- Blue-winged Teal
- Canada to N. S. AMerica,
- Migratory
- General habitat
- General diet, lots of grain in fall
- 10 eggs
- General repro
- Stable
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Term
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Definition
- Cinnamon Teal (has green speculum)
- SW Canada to S. America
- Migratory
- General habitat+Alkaline wetlands
- General diet
- 9-11 eggs
- General repro
- Stable
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Term
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Definition
- Northern Shoveler (green speculum)
- N. hemisphere to S. AMerica, S. Eurasia+E. Africa
- Migratory, some resident
- general habitat
- Strain vegetation+invertebrates from surface of water
- 9-11 eggs
- General repro
- Increasing
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Term
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Definition
- Northern Pintail
- W. hemisphere to N. S. America, Africa, India
- Migratory
- Typical habitat, some breed in tundra
- Typical diet
- 7-8 eggs
- General repro, sometimes nest far from water
- Declining, longer-lived than most ducks, large pop swings
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Term
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Definition
- Green-winged Teal
- N. to Central America/West Indies
- Migratory
- Typical habitat
- General diet, eats tadpoles in summer/grain in winter
- 10-12 eggs
- general repro
- stable
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