Muscovy Ducks
Kendall, FL
4/24/07
(Introduced)

Wood Ducks
Idlewild Park
Reno, NV
12/29/20

Wood Duck
(female)
Reno, NV
10/20/13

Wood Ducks
Lemmon Valley, NV
12/2/10

Wood Duck
Stead, NV, 10/29/05

Wood Duck
Stead, NV, 10/29/05

Wood Ducks
Rio Grande
Nature Center
Albuquerque, N.M.,
3/2/06

Gadwalls
Glenshire Pond
Glenshire
(Truckee area), CA
6/13/2021

Gadwalls
(Two males, one female)
Glenshire Pond
Truckee area, CA
4/29/20

Gadwalls
Glenshire Pond
Truckee area, CA
4/1/20

Gadwalls
Sparks Marina,
Sparks, NV
12/2/09

Gadwall
Female,
Reno, NV, 12/04/04

"Brewer's" Duck
with Gadwall
Mallard X Gadwall
Damonte Wetlands,
Reno, NV, 12/19/09

"Brewer's Duck"
Mallard X Gadwall
Damonte Wetlands,
Reno, NV
1/12/09

Falcated Duck
Colusa NWR, CA
12/21/11

Falcated Duck
Honey Lake, CA
4/1/02
Slide scan

Eurasian Wigeon
(female)
Del Rey Lagoon
CA, 1/2/16

Eurasian Wigeon
(female)
Reno, NV
12/17/11

American X Eurasian
Wigeon
with American Wigeon
Glenshire (Truckee)
CA, 11/13/11

Eurasian Wigeon
Newport Beach, CA
11/25/09

Eurasian and
American Wigeon
Reno, NV
10/27/09

American Wigeons
Bolsa Chica
Huntington Beach, CA
12/27/18

American Wigeon
Reno, NV
11/18/09

American Wigeon
Reno, NV
11/18/09

American Wigeon
Reno, NV, 3/23/09
All-white face
occurs occasionally

Black Duck
and Mallard
Pickering Beach
DE, 6/13/06

Mallards
X-Rated Threesome
Virginia Lake, Reno, NV
3/13/21

Mallard
(with ducklings)
Glenshire Pond
Glenshire (Truckee), CA
5/23/19

Domestic Mallard
Sparks Marina, NV
9/20/15

Mallard
with ducklings
Reno, NV
6/24/15

Mallard
Reno, NV
10/11/06

Mallard
Mono Lake, CA
7/5/06

Mexican Duck (male) and Mallard (female)
Huntington Beach, CA
11/20/2021

Mexican Duck (male) and Mallard (female)
Huntington Beach, CA
11/20/2021

Mexican Duck (male)
Huntington Beach, CA
11/20/2021

Mottled Duck
Green Cay
Wetlands, FL
4/30/10

Blue-winged Teal
Bolsa Chica Ecological Reserve
Huntington Beach
CA, 1/2/20

Blue-winged Teal
Newport Back Bay
CA, 11/25/11

Blue-winged Teal
Little Fish Lake
Prov. Park,
Alberta, CA, 6/14/10

Blue-winged Teal
Everglades N.P.
FL, 5/9/10

Blue-winged Teal
Green Cay
Wetlands, FL
4/30/10

Cinnamon Teal
Damonte Ranch
Reno, NV
4/15/20

Cinnamon Teal
Sierra Valley, CA
4/22/17

Cinnamon Teal
Damonte Wetlands,
Reno, NV
4/3/10

Cinnamon Teal
Reno, NV
4/3/10

Cinnamon Teal
Reno, NV
4/3/10

Garganey
Waller Park
Santa Maria, CA
1/3/18

Northern Shovelers
Carson City, NV
5/4/19

Northern Shovelers
Rolling Meadows Pond
Reno, NV
11/28/18

Northern Shovelers
Sparks, NV
11/28/15

Northern Shovelers
Reno, NV
11/28/04

Northern Shovelers
Reno, NV
11/28/04

Northern Pintails
Yolo Basin Wildlife Area
2/12/2022

Northern Pintails
Bolsa Chica Ecological Reserve
Huntington Beach
CA, 1/2/20

Northern Pintails
Bolsa Chica
Huntington Beach
CA, 1/2/18

Northern Pintail
Bolsa Chica Preserve
CA, 12/26/11

Northern Pintail
Reno, NV
1/12/09

Northern Pintail
Reno, NV
1/12/09

Baikal Teal
Lompoc, CA
12/12/05

"Eurasian"
Green-winged Teal
Reno, NV
12/14/06

Possible intergrade
American X Eurasian
Green-winged Teal
Lemmon Valley, NV
1/25/07

Green-winged Teal
Bolsa Chica
Huntington Beach
CA, 1/2/18

Green-winged Teal
Reno, NV
2/5/10

Green-winged Teal
Reno, NV
2/5/10

Green-winged Teal
(with punk hairdo)
Damonte Wetlands,
Reno, NV
1/12/09

Canvasback
Glenshire Pond
Truckee area, CA
6/27/2021

Canvasback
Female,
Lake Merritt,
Oakland, CA,
2/6/05

Canvasback
Male,
Lake Merritt,
Oakland, CA, 2/6/05

Redhead
Hemenway Harbor,
Lake Mead, NV
2/6/11

Common Pochard
Attu Island, AK
5/28/98
Slide scan

Ring-necked Ducks
Glenshire (Truckee area), CA
3/27/20

Ring-necked Duck
(female)
Reno, NV
12/1/14

Ring-necked Duck
Las Vegas, NV
1/25/09

Ring-necked Duck
Phoenix, AZ
12/6/05

Tufted Duck
Male,
Dan Foley Park,
Vallejo, CA, 2/27/05
With Lesser Scaup

Tufted Duck
Male,
Dan Foley Park,
Vallejo, CA, 2/27/05
With Lesser Scaup

Tufted Duck
Male,
Dan Foley Park,
Vallejo, CA, 2/27/05

Greater Scaup
Ballona Creek
Los Angeles, CA
2/6/08

Lesser Scaup
Bolsa Chica
Huntington Beach, CA
11/27/2021

Lesser Scaup
(composite)
Reno, NV
12/16/15

Lesser Scaup
Reno, NV
12/19/09

Lesser Scaup
Reno, NV
1/12/09

Steller's Eiders
Gambell, AK
9/10/16

Steller's Eiders
Gambell,
St. Lawrence Island,
AK, 6/1/08

King Eiders
Gambell, AK
8/30/18

King Eider
Gambell, AK
9/11/16

King Eider
Cabrillo Beach,
San Pedro, CA
12/29/09

King Eiders
Gambell,
St. Lawrence Island,
AK, 6/1/08

Common Eiders
Gambell,
St. Lawrence Island,
AK, 6/1/08