Online Resource 1 Number of wetlands where a species was observed during bird surveys conducted on recently restored (i.e., restored ≤ 6 yrs ago), restored (i.e., restored 9 – 16 yrs ago) and natural wetlands during the blackbird breeding seasons of 2008 and 2009.

2008 / 2009
Common name / Scientific name / Recently restored
n = 4 / Restored
n = 4 / Natural
n = 3 / Restored
n = 4 / Natural
n = 7
Canada goose / Branta canadensis / 0 / 0 / 0 / 1 / 0
Gadwall / Anas strepera / 3 / 3 / 1 / 1 / 2
American wigeon / Anas americana / 0 / 0 / 0 / 0 / 1
Mallard / Anas platyrhynchos / 2 / 3 / 1 / 2 / 3
Blue-winged teal / Anas discors / 3 / 4 / 3 / 2 / 3
Northern shoveler / Anas clypeata / 2 / 3 / 1 / 1 / 1
Green-winged teal / Anas crecca / 3 / 2 / 2 / 3 / 1
Canvasback / Aythya valisineria / 0 / 1 / 1 / 0 / 1
Redhead / Aythya americana / 3 / 1 / 2 / 0 / 0
Ring-necked duck / Aythya collaris / 0 / 0 / 0 / 0 / 1
Lesser scaup / Aythya affinis / 2 / 1 / 3 / 0 / 0
Bufflehead / Bucephala albeola / 3 / 0 / 0 / 0 / 1
Ruddy duck / Oxyura jamaicensis / 4 / 2 / 3 / 0 / 0
Pied-billed grebe / Podilymbus podiceps / 2 / 1 / 0 / 0 / 0
Horned grebe / Podiceps auritus / 1 / 3 / 1 / 0 / 0
Red-necked grebe / Podiceps grisegena / 1 / 0 / 1 / 0 / 0
Eared grebe / Podiceps nigricollis / 0 / 1 / 1 / 0 / 0
Great blue heron / Ardea herodias / 0 / 0 / 0 / 0 / 1
Sora / Porzana carolina / 3 / 3 / 2 / 2 / 1
American coot / Fulica americana / 4 / 4 / 3 / 1 / 0
Killdeer / Charadrius vociferus / 0 / 0 / 0 / 1 / 1
Black-necked stilt / Himantopus mexicanus / 0 / 0 / 0 / 1 / 0
American avocet / Recurvirostra americana / 0 / 0 / 0 / 2 / 0
Spotted sandpiper / Actitis macularius / 0 / 0 / 0 / 0 / 1
Solitary sandpiper / Tringa solitaria / 0 / 0 / 0 / 0 / 1
Greater yellowlegs / Tringa melanoleuca / 0 / 0 / 0 / 2 / 1
Wilson's snipe / Gallinago delicata / 1 / 2 / 1 / 1 / 1
Wilson's phalarope / Phalaropus tricolor / 2 / 0 / 0 / 0 / 0
Franklin's gull / Leucophaeus pipixcan / 0 / 0 / 0 / 2 / 0
Black tern / Chlidonias niger / 4 / 4 / 2 / 0 / 0
Marsh wren / Cistothorus palustris / 1 / 0 / 0 / 0 / 0
Red-winged blackbird / Agelaius phoeniceus / 4 / 4 / 3 / 4 / 7
Yellow-headed blackbird / Xanthocephalus xanthocephalus / 3 / 4 / 1 / 0 / 0