Lots of species in this photo. Look for Canvasbacks with the rusty red heads, and White-fronted Geese with the white behind the beak. How many other species do you see?

Drake Wood Duck; central Kansas.

Wood Ducks. In a park in San Diego.

Wood Ducks, central Kansas.

Wood Duck hen, central Kansas

Common Mergansers, far off.

Hooded Mergansers

Hooded Mergansers, distant.

Bufflehead drake and hen, Central Kansas

Better shot of the male.

Goldeneye. Male. He's pretty far off, grey day.

Goldeneye, male.

Redhead, male. Starting to molt. Central KS.

Redhead drake and hen.

Ring-necked Duck. Note the ring around the beak. It also has a slight ring around the neck, but it's difficult to see.

Ring-necked Ducks, foreground. Green-winged Teal drake on left, Mallards in the back.

Scaup sp. Probably a Greater.

Scaup sp.

Lesser Scaup

Cinnamon Teal. Central KS.

Green-winged Teal. Hard to get good photos of them as they're quite skittish.

Green-winged Teal, drake.

Green-winged Teal hen, dead on the water. Louisiana.

Blue-winged Teal. The drake has the characteristic white crescent behind the beak.

Blue-winged Teal

Blue-winted Teal, drake.

Pintail drakes and hen.

Pintail drake and hen.

More pintail drakes and hens.

American Widgeon drake, strutting his stuff.

Widgeon drake. You can see why they're called "Baldpates."

Widgeon drake and hen. Note the blue bills, too.

This hen Mallard just had to get into the act.

Gadwall drake and hen.

Good shot of a drake Gadwall.

Mallards

More mallards on the ice.

Hen Mallard with young.

Drake Shoveler

Drake Shoveler and Blue-winged Teal.

What a large bill you have!

Ruddy Ducks. All hens.

More Ruddy Ducks. Drake with cinamon back.

Better view of drake Ruddy Duck, though distant.

Maybe they're Redheads.

Canvasbacks, early morning in a pond in central KS.

Decoys at Blind 6, Spring Bayou area, La.

Robo Duck. Does this count as a species?