• Canvasback
• NW N. America to S./Coastal US/Mexico
• Migratory
• Marshes, ponds, lakes, bays, estuaries, prairie potholes
• Aquatic plants+invertebrates
• 7-11 eggs
• monogamous, precocial, floating cup nests made of vegetation, nests parasitized by redheads
• Stable

• Redhead
• N. US, W. Canada, Prairie Potholes to S/Coastal US+Mexico
• Migratory
• General habitat
• General Diet
• 8-14 eggs
• General repro, floating nest, brood parasitism
• Stable

• Ring-necked Duck
• N. US/Canada to Coastal US/Mexico/Central AMerica
• Wooded lakes+ponds
• General diet
• 9-10 eggs
• general repro, scrape in ground w/ vegetation&down
• Increasing

• Greater Scaup (green iridescent head)
• circumpolar to coastal N/ AMerica
• Migratory
• general, breeds tundra ponds
• Primary eats mollusks (clams)
• 8-9 eggs
• General repro, Scrape w/ vegetation/down
• Declining

Lesser Scaup (Purple iridescent head)

NW N. AMerica to S/Coastal US +N. S. America

Migratory

General habitat

general diet

9-11 eggs

General repro, scrape w/ vegetation and down

Declining

Labrador Duck

Islands off Labrador (E. Canada), winters far from shore

Maritime habitat

mussels, sweep forager

Clutch unknown

General repro, scrape

Extinct

• Surf Scoter
• AK+NE Canada to N. American coasts
• Migratory
• Ocean surf, small bays, breed arctic lakes/tundras
• Eats mollusks+crustaceans
• 7-8 eggs
• Typical Repro, clump of willow on grass, can be far from water
• Declined extensively in 1900s, now stable

• Bufflehead
• AK+Canada to Coasts+S. US
• Migratory
• Typical habitat
• Typical diet
• 8-9 eggs
• Typical, nests in tree cavity near water
• Increasing

• Common Goldeneye
• Across Canada+AK to S. Canada/US
• Migratory
• Typical habitat
• Typical diet, small fish
• 7-10 eggs
• Typical repro, tree cavity nest near water, nest parasitism
• Stable

Barrow's Goldeneye

AK/Canada, NW US Greenland to Coastal N. Pacific+N. Atlantic

Migratory

Typical habitat

Typical diet

6-12 eggs

Nest tree cavity, multi-year pair bonds even after male leaves

Stable

• Common Merganser
• Areas Canada+some NW US to US and Mexico
• Migratory
• Typical habitat
• Mostly fish+aquatic invertebrates
• 8-10 eggs
• Typical, nest in cavity, females reuse nests
• Increasing
• Line up together to herd fish

• Ruddy Duck
• Canada, Midwest, Prarie potholes, NE US to NW+S. US, Mexico
• Migratory
• Typical, awkward on land
• Typical diet
• 6-20 eggs
• Typical repro, nests in tall vegetation, occasional parasitism
• Stable