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Pacific Flyway

Waterfowl

Relative bird numbers in the Sacramento Valley.

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Aug
Sep
Oct
Nov
Dec
Jan
Feb
Mar
Ducks Geese
Mallard

Mallard

Here now

Dabbler

Drake: green head, white ring, chestnut breast. Hen: mottled brown, orange bill.

In flight: Steady wingbeats, blue speculum bordered white

Peak: O N D J

Color palette

Green head
Chestnut breast
Gray sides
Yellow bill

Wing pattern (upper wing)

speculumcovertsprimaries

Purple-blue speculum bordered white on BOTH sides.

Northern Pintail

Northern Pintail

Here now

Dabbler

Long neck, drake has chocolate head with white stripe and long pin tail.

In flight: Slender, fast, swept-back look

Peak: S O N D J

Color palette

Chocolate head
White neck
Gray body
Black tail

Wing pattern (upper wing)

speculumcovertsprimaries

Bronze-green speculum, buff front border, white trailing edge.

Green-winged Teal

Green-winged Teal

Here now

Dabbler

Tiny duck; drake chestnut head with green eye patch, vertical white bar.

In flight: Fast erratic tight flocks

Peak: O N D J

Color palette

Chestnut head
Green eye patch
Gray body
Cream undertail

Wing pattern (upper wing)

speculumcovertsprimaries

Bright emerald speculum with a buff leading bar.

Northern Shoveler

Northern Shoveler

Here now

Dabbler

Huge spoon bill; drake green head, white chest, rusty sides.

In flight: Wings set far back, pale blue forewing

Peak: O N D J F

Color palette

Green head
White chest
Rusty sides
Black bill

Wing pattern (upper wing)

speculumcovertsprimaries

Powder-blue forewing — the giveaway in flight.

American Wigeon

American Wigeon

Here now

Dabbler

Drake white crown, green eye stripe, pinkish body. Whistling call.

In flight: White forewing patch on drakes

Peak: O N D J

Color palette

White crown
Green stripe
Pinkish body
Blue-gray bill

Wing pattern (upper wing)

speculumcovertsprimaries

Big white shoulder patch on drakes, green speculum.

Gadwall

Gadwall

Here now

Dabbler

Gray-brown drake with black rump; white speculum.

In flight: White square on trailing wing

Peak: O N D J

Color palette

Gray vermiculation
Black rump
Chestnut wing
Gray-brown head

Wing pattern (upper wing)

speculumcovertsprimaries

Only dabbler with a WHITE speculum (square patch).

Wood Duck

Wood Duck

Here now

Dabbler

Drake ornate crested green head, red eye, white chin strap.

In flight: Long squared tail, head bobbing

Peak: S O N

Color palette

Iridescent green
Red eye
Maroon chest
Buff sides

Wing pattern (upper wing)

speculumcovertsprimaries

Blue-purple speculum with white trailing edge; long square tail.

Canvasback

Canvasback

Diver

Sloped wedge-shaped head and bill; drake rusty head, white back.

In flight: Very fast, long neck stretched

Peak: N D J

Color palette

Rusty head
White back
Black chest
Black bill

Wing pattern (upper wing)

speculumcovertsprimaries

Pale gray wing, no bright speculum; white body flashes.

Ring-necked Duck

Ring-necked Duck

Diver

Peaked head, white ring on bill; drake black back, gray sides.

In flight: Gray secondaries, quick

Peak: N D J F

Color palette

Black head
Gray sides
White spur
Ringed bill

Wing pattern (upper wing)

speculumcovertsprimaries

Gray secondaries (no white wing stripe like scaup).

Snow Goose

Snow Goose

Goose

White body, black wingtips, pink bill with 'grin patch'.

In flight: Huge noisy wavering flocks

Peak: N D J

Color palette

White
Black wingtips
Pink bill
Pink legs

Wing pattern (upper wing)

speculumcovertsprimaries

All-white wing with black primaries.

Greater White-fronted Goose

Greater White-fronted Goose

Here now

Goose

Gray-brown, white face band at bill, orange legs. 'Specklebelly'.

In flight: Laughing yodel call, V lines

Peak: S O N D J

Color palette

Gray-brown
Black bars
White face
Orange legs

Wing pattern (upper wing)

speculumcovertsprimaries

Gray-brown wing with pale trailing edge; barred belly below.

Canada / Cackling Goose

Canada / Cackling Goose

Here now

Goose

Black neck and head, white chinstrap; cackler is small, stubby bill.

In flight: Honking V formations

Peak: O N D J F

Color palette

Black neck
White chinstrap
Brown back
Tan breast

Wing pattern (upper wing)

speculumcovertsprimaries

Uniform brown wing, dark primaries, white U on rump.