In search of new Bigbys (Bigbies?)

Left early this morning and walked! Today I saw three new species: Yellow rumped Warblers at Lake Park and along the Milwaukee River, Eastern Bluebirds at Lake Park below the pavillion, and a Tree Swallow flying over the Lake Park golf course. The total list of species seen is below:
Canada Goose
Mallard
Bufflehead
Red-breasted Merganser
Cooper's Hawk (pair at Downer Woods)
Killdeer
Herring Gull
Ring-billed Gull
Rock Pigeon
Mourning Dove
Yellow-bellied Sapsucker
Downy Woodpecker
Hairy Woodpecker
Northern Flicker
Eastern Phoebe
American Crow
Tree Swallow
Black-capped Chickadee
White-breasted Nuthatch
Brown Creeper
Winter Wren
Golden-crowned Kinglet
Ruby-crowned Kinglet
Eastern Bluebird
Hermit Thrush
American Robin
European Starling
Yellow-rumped Warbler
American Tree Sparrow
Chipping Sparrow
Song Sparrow
Dark-eyed Junco
Northern Cardinal
Red-winged Blackbird
Brown Headed Cowbird
House Finch
American Goldfinch
House Sparrow