As is tradition for me, I did a Big Day on January 1st. I didn't get to do one last year, since I was in Costa Rica - but my incidental non-Big Day birding that day still beat out my total today by a lot. This isn't even my top total in a Wisconsin New Year's Big Day, as the snow storm made visibility difficult. Still always fun to start out the year, though!
Birds
1. American Crow Corvus brachyrhynchos
2. American Herring Gull Larus smithsonianus
3. Mourning Dove Zenaida macroura
4. European Starling Sturnus vulgaris
5. Canada Goose Branta canadensis
6. Northern Cardinal Cardinalis cardinalis
7. Mallard Anas platyrhynchos
8. Common Goldeneye Bucephala clangula
9. Common Merganser Mergus merganser
10. Tundra Swan Cygnus columbianus
11. American Black Duck Anas rubripes
12. Bald Eagle Haliaeetus leucocephalus
13. House Sparrow Passer domesticus
14. Redhead Aythya americana
15. Ring-necked Duck Aythya collaris
16. American Goldfinch Spinus tristis
17. Dark-eyed Junco Junco hyemalis
18. White-breasted Nuthatch Sitta carolinensis
19. Black-capped Chickadee Poecile atricapillus
20. Downy Woodpecker Dryobates pubescens
21. Pileated Woodpecker Dryocopus pileatus
22. Red-bellied Woodpecker Melanerpes carolinus
23. Hairy Woodpecker Dryobates villosus
24. Red-tailed Hawk Buteo jamaicensis
25. Rock Pigeon Columbia livia
26. American Kestrel Falco sparverius
27. American White Pelican Pelecanus erythrorhynchos
28. Greater Scaup Aythya marila
29. Wild Turkey Meleagris gallopavo
30. Northern Harrier Circus hudsonius
31. Rough-legged Hawk Buteo lagopus
32. American Tree Sparrow Spizelloides arborea
33. Snowy Owl Bubo scandiacus
34. White-crowned Sparrow Zonotrichia leucophrys
35. House Finch Haemorhous mexicanus
36. Common Raven Corvus corax
37. Red-breasted Merganser Mergus serrator
38. Iceland Gull Larus glaucoides
39. Long-tailed Duck Clangula hyemalis
40. Bufflehead Bucephala albeola
41. Hooded Merganser Lophodytes cucullatus
42. Ring-billed Gull Larus delawarensis
Mammals
1. White-tailed Deer Odocoileus virginianus
2. Eastern Gray Squirrel Sciurus carolinensis
3. American Mink Neogale vison
Birds
1. American Crow Corvus brachyrhynchos
2. American Herring Gull Larus smithsonianus
3. Mourning Dove Zenaida macroura
4. European Starling Sturnus vulgaris
5. Canada Goose Branta canadensis
6. Northern Cardinal Cardinalis cardinalis
7. Mallard Anas platyrhynchos
8. Common Goldeneye Bucephala clangula
9. Common Merganser Mergus merganser
10. Tundra Swan Cygnus columbianus
11. American Black Duck Anas rubripes
12. Bald Eagle Haliaeetus leucocephalus
13. House Sparrow Passer domesticus
14. Redhead Aythya americana
15. Ring-necked Duck Aythya collaris
16. American Goldfinch Spinus tristis
17. Dark-eyed Junco Junco hyemalis
18. White-breasted Nuthatch Sitta carolinensis
19. Black-capped Chickadee Poecile atricapillus
20. Downy Woodpecker Dryobates pubescens
21. Pileated Woodpecker Dryocopus pileatus
22. Red-bellied Woodpecker Melanerpes carolinus
23. Hairy Woodpecker Dryobates villosus
24. Red-tailed Hawk Buteo jamaicensis
25. Rock Pigeon Columbia livia
26. American Kestrel Falco sparverius
27. American White Pelican Pelecanus erythrorhynchos
28. Greater Scaup Aythya marila
29. Wild Turkey Meleagris gallopavo
30. Northern Harrier Circus hudsonius
31. Rough-legged Hawk Buteo lagopus
32. American Tree Sparrow Spizelloides arborea
33. Snowy Owl Bubo scandiacus
34. White-crowned Sparrow Zonotrichia leucophrys
35. House Finch Haemorhous mexicanus
36. Common Raven Corvus corax
37. Red-breasted Merganser Mergus serrator
38. Iceland Gull Larus glaucoides
39. Long-tailed Duck Clangula hyemalis
40. Bufflehead Bucephala albeola
41. Hooded Merganser Lophodytes cucullatus
42. Ring-billed Gull Larus delawarensis
Mammals
1. White-tailed Deer Odocoileus virginianus
2. Eastern Gray Squirrel Sciurus carolinensis
3. American Mink Neogale vison