I'm not a "lister" or "chaser" by any means. I rarely go out looking for anything specific or try to refind a bird that someone may have reported somewhere. These are just the birds I have encountered in Ohio as I go about my normal routines.
 
 

JAN. 1 - Franklin, Fayette, and Pickaway Counties
1 - Northern Cardinal
2 - Carolina Chickadee
3 - Red-breasted Nuthatch
4 - American Goldfinch
5 - American Crow
6 - Tufted Titmouse
7 - White-throated Sparrow
8 - Blue Jay
9 - House Sparrow
10 - Downy Woodpecker
11 - White-breasted Nuthatch
12 - European Starling
13 - Northern Flicker
14 - Red-bellied Woodpecker
15 - Canada Goose
16 - Mallard
17 - Rock Pigeon
18 - American Kestrel
19 - Cooper's Hawk
20 - Red-tailed Hawk
21 - American Tree Sparrow
22 - White-crowned Sparrow
23 - Song Sparrow
24 - Golden-crowned Kinglet
25 - Brown Creeper
26 - Eastern Bluebird
27 - Belted Kingfisher
28 - Northern Harrier
29 - Horned Lark
30 - Pied-billed Grebe
31 - Ring-billed Gull
32 - Killdeer
33 - Northern Pintail
34 - American Black Duck
35 - Hooded Merganser
36 - Bufflehead
37 - Bonaparte's Gull
38 - Ruddy Duck
39 - Herring Gull
40 - Mourning Dove
41 - Hairy Woodpecker
42 - Ross's Goose
43 - Cackling Goose
44 - Northern Shoveler
45 - Cedar Waxwing
46 - American Robin
47 - Carolina Wren

JAN. 2 - Franklin County
48 - Ruby-crowned Kinglet
49 - Ring-necked Duck
50 - Redhead
51 - Mute Swan
52 - House Finch
53 - Dark-eyed Junco
54 - Great Blue Heron

JAN. 3 - Franklin County
55 - Common Grackle

JAN. 8 - Franklin, Fayette, and Pickaway Counties
56 - Red-shouldered Hawk
57 - Field Sparrow
58 - Yellow-bellied Sapsucker
59 - Swamp Sparrow
60 - Lesser Scaup
61 - Hermit Thrush
62 - Merlin
63 - Eastern Screech-Owl

JAN. 9 - Franklin, Greene, Warren, and Butler Counties
64 - Bald Eagle
65 - Sandhill Crane
66 - Winter Wren
67 - Yellow-rumped Warbler
68 - American Coot
69 - Horned Grebe
70 - Purple Finch
71 - Eastern Towhee
72 - Red-winged Blackbird

JAN. 10 - Pickaway and Pike Counties
73 - Tundra Swan
74 - Green-winged Teal
74 - American Wigeon
75 - Double-crested Cormorant
76 - Savannah Sparrow
77 - Eastern Meadowlark
79 - Gadwall
80 - Snow Goose
81 - Greater White-fronted Goose

JAN. 13 - Franklin County
82 - Northern Mockingbird
83 - Common Goldeneye

JAN. 14 - Franklin County
84 - Wild Turkey

JAN. 15 - Franklin County
85 - Gray Catbird

JAN. 16 - Vinton County
86 - Pileated Woodpecker
87 - Red-headed Woodpecker

JAN. 17 - Franklin County
88 - Marsh Wren
89 - Ring-necked Pheasant
90 - Short-eared Owl

JAN. 23 - Licking County
91 - Black Vulture
92 - Turkey Vulture

JAN. 26 - Wyandot County
93 - Canvasback
94 - Rusty Blackbird

JAN. 30 - Cuyahoga County
95 - Red-breasted Merganser
96 - Common Merganser
97 - Long-tailed Duck
98 - Iceland Gull
99 - Black-capped Chickadee
100 - Lesser Black-backed Gull
101 - Great Black-backed Gull

FEB. 4 - Fayette County
102 - American Pipit

FEB. 5 - Franklin County
103 - Brown-headed Cowbird

FEB. 10 - Franklin County
104 - Wood Duck
105 - Sharp-shinned Hawk

FEB. 14 - Pickaway County
106 - Barred Owl

FEB. 26 - Pickaway County
107 - Long-billed Dowitcher

MARCH 12 - Fayette and Pickaway Counties
108 - Tree Swallow
109 - Fox Sparrow
110 - Blue-winged Teal
111 - Wilson's Snipe
112 - American Woodcock

MARCH 13 - Franklin County
113 - Greater Scaup

MARCH 21 - Pickaway and Fayette Counties
114 - Common Loon
115 - Surf Scoter
116 - Red-throated Loon
117 - Osprey

MARCH 28 - Pickaway and Fayette Counties
118 - Greater Yellowlegs
119 - Lesser Yellowlegs
120 - Pectoral Sandpiper
121 - Dunlin
122 - Eastern Phoebe
123 - Northern Rough-winged Swallow
124 - Vesper Sparrow

MARCH 29 - Pickaway County
125 - American Golden-Plover
126 - Brown Thrasher

APRIL 2 - Scioto County
127 - Chipping Sparrow
128 - Louisiana Waterthrush
129 - Pine Warbler
130 - Blue-headed Vireo
131 - Yellow-throated Warbler
132 - Blue-gray Gnatcatcher

APRIL 3 - Franklin County
133 - Great Egret

APRIL 6 - Franklin County
134 - Barn Swallow

APRIL 9 - Vinton County
135 - Henslow's Sparrow
136 - Black-and-white Warbler
137 - Black-throated Green Warbler

APRIL 10 - Ross County
138 - Northern Parula
139 - Prairie Warbler

APRIL 12 - Pickaway County
140 - Purple Martin
141 - House Wren

APRIL 17 - Ross, Jackson, and Pickaway Counties
142 - Yellow-throated Vireo
143 - Ovenbird
144 - Scarlet Tanager
145 - Worm-eating Warbler
146 - Hooded Warbler
147 - Blue-winged Warbler
148 - White-eyed Vireo
149 - Yellow Warbler
150 - American Redstart
151 - Cliff Swallow

APRIL 18 - Hocking, Vinton, and Pickaway Counties
152 - Warbling Vireo
153 - Grasshopper Sparrow
154 - Cerulean Warbler
155 - Prothonotary Warbler
156 - Eastern Kingbird

APRIL 21 - Franklin County
157 - Peregrine Falcon

APRIL 23 - Franklin County
158 - Wood Thrush
159 - Chimney Swift

APRIL 24 - Ross and Pickaway Counties
160 - Nashville Warbler
161 - Red-eyed Vireo
162 - Rose-breasted Grosbeak
163 - Yellow-breasted Chat
164 - Sora
165 - Common Yellowthroat
166 - Green Heron
167 - Solitary Sandpiper
168 - Great Crested Flycatcher

APRIL 25 - Fayette County
169 - Baltimore Oriole
170 - Spotted Sandpiper
171 - Palm Warbler

APRIL 26 - Ross, Jackson, and Pickaway Counties
172 - Kentucky Warbler
173 - Tennessee Warbler
174 - Indigo Bunting
175 - Blackburnian Warbler
176 - Orchard Oriole
177 - Semipalmated Plover

APRIL 28 - Ross, Gallia, and Lawrence Counties
178 - Yellow-billed Cuckoo
179 - Summer Tanager
180 - Blackpoll Warbler
181 - Bay-breasted Warbler
182 - Northern Bobwhite
183 - Blue Grosbeak

APRIL 30 - Ross County
184 - Cape May Warbler
185 - Black-throated Blue Warbler
186 - Chestnut-sided Warbler
187 - Swainson's Thrush

MAY 4 - Pickaway County
188 - King Rail
189 - Northern Waterthrush
190 - Bank Swallow
191 - Ruby-throated Hummingbird

MAY 6 - Logan and Franklin Counties
192 - Piping Plover
193 - Forster's Tern
194 - Common Tern
195 - Franklin's Gull
196 - Least Sandpiper
197 - Olive-sided Flycatcher

MAY 8 - Ross County
198 - Veery
199 - Acadian Flycatcher
200 - Broad-winged Hawk

MAY 10 - Franklin County
201 - Lincoln's Sparrow
202 - Least Flycatcher

MAY 11 - Franklin County
203 - Wilson's Warbler
204 - Canada Warbler
205 - Philadelphia Vireo
206 - Magnolia Warbler

MAY 13 - Pickaway County
207 - Bell's Vireo
208 - Willow Flycatcher
209 - Black Tern

MAY 15 - Ross and Pickaway Counties
210 - Eastern Wood-Pewee
211 - Mourning Warbler
212 - Gray-cheeked Thrush
213 - Least Bittern
214 - Short-billed Dowitcher

MAY 16 - Franklin County
215 - American Bittern
216 - Virginia Rail
217 - Sedge Wren

MAY 20 - Franklin County
218 - Bobolink

MAY 21 - Pickaway and Fayette Counties
219 - Common Gallinule
220 - Connecticut Warbler
221 - Black-billed Cuckoo

MAY 22 - Pickaway County
222 - Alder Flycatcher

MAY 23 - Pickaway County
223 - Caspian Tern

MAY 26 - Pickaway County
224 - Semipalmated Sandpiper

MAY 27 - Greene and Madison Counties
225 - White-rumped Sandpiper
226 - Red-necked Phalarope
227 - Dickcissel

MAY 30 - Greene County
228 - Black-necked Stilt

JUNE 10 - Franklin County
229 - Common Nighthawk

AUG. 1 - Marion County
230 - Stilt Sandpiper
231 - Wilson's Phalarope

AUG. 3 - Pickaway County
232 - American Avocet
233 - White Ibis

AUG. 14 - Pickaway County
234 - Sanderling

AUG. 20 - Pickaway County
235 - Baird's Sandpiper

AUG. 21 - Fayette County
236 - Lark Sparrow

AUG. 23 - Fayette County
237 - Great Horned Owl

AUG. 31 - Hancock County
238 - Black-bellied Plover
239 - Long-tailed Jaeger
240 - Ruddy Turnstone

SEPT. 10 - Pickaway County
241 - Yellow-bellied Flycatcher

OCT. 2 - Pickaway County
242 - Orange-crowned Warbler
243 - Nelson's Sparrow

NOV. 3 - Franklin County
244 - Pine Siskin

NOV. 12 - Delaware County
245 - Calliope Hummingbird

DEC. 26 - Lorain County
246 - Snowy Owl
247 - Lapland Longspur

DEC. 28 - Cuyahoga County
248 - White-winged Scoter

DEC. 29 - Franklin County
249 - Mew Gull

DEC. 31 - Muskingum County
250 - Rough-legged Hawk