Total number of routes: 12
Note: this list includes some species nesting in Orange County but not recorded on any route!
Last updated: 24 June 1999
| | | | |
| Abbrev | Species | Total | Routes | |
| | | | |
| GBHE | Great Blue Heron | 2 | 2 | |
| GRHE | Green Heron | 4 | 3 | |
| BLVU | Black Vulture | 1 | 1 | |
| TUVU | Turkey Vulture | 3 | 3 | |
| CAGO | Canada Goose | 77 | 9 | |
| MALL | Mallard | 4 | 1 | |
| COHA | Cooper's Hawk | 2 | 2 | |
| RSHA | Red-shouldered Hawk | 7 | 4 | |
| BWHA | Broad-winged Hawk | 0 | 0 | |
| RTHA | Red-tailed Hawk | 4 | 2 | |
| WITU | Wild Turkey | 0 | 0 | |
| NOBO | Northern Bobwhite | 7 | 6 | |
| KILL | Killdeer | 16 | 7 | |
| MODO | Mourning Dove | 229 | 12 | |
| YBCU | Yellow-billed Cuckoo | 5 | 3 | |
| EASO | E Screech-Owl | 0 | 0 | |
| GHOW | Great Horned Owl | 0 | 0 | |
| BAOW | Barred Owl | 3 | 3 | |
| CWWI | Chuck-Will's-Widow | 1 | 1 | |
| WPWI | Whip-Poor-Will | 1 | 1 | |
| CHSW | Chimney Swift | 59 | 10 | |
| RHWO | Red-headed Woodpecker | 0 | 0 | |
| RBWO | Red-bellied Woodpecker | 73 | 12 | |
| DOWO | Downy Woodpecker | 22 | 9 | |
| HAWO | Hairy Woodpecker | 4 | 3 | |
| NOFL | N Flicker | 7 | 3 | |
| PIWO | Pileated Woodpecker | 1 | 1 | |
| EAWP | E Wood-Pewee | 40 | 11 | |
| ACFL | Acadian Flycatcher | 5 | 4 | |
| EAPH | E Phoebe | 32 | 8 | |
| GCFL | Gr Crested Flycatcher | 16 | 7 | |
| EAKI | E Kingbird | 10 | 4 | |
| WEVI | White-eyed Vireo | 3 | 2 | |
| BHVI | Blue-headed Vireo | 0 | 0 | |
| YTVI | Yellow-throated Vireo | 2 | 2 | |
| REVI | Red-eyed Vireo | 120 | 12 | |
| BLJA | Blue Jay | 45 | 11 | |
| AMCR | Am Crow | 274 | 11 | |
| FICR | Fish Crow | 5 | 3 | |
| NRWS | N Rough-winged Swal | 2 | 1 | |
| BARS | Barn Swallow | 48 | 6 | |
| CACH | Car Chickadee | 109 | 11 | |
| TUTI | Tufted Titmouse | 159 | 12 |
| | | | |
| Abbrev | Species | Total | Routes | |
| | | | |
| WBNU | White-br Nuthatch | 16 | 8 | |
| BHNU | Brown-headed Nuthatch | 6 | 4 | |
| CARW | Carolina Wren | 186 | 12 | |
| HOWR | House Wren | 3 | 2 | |
| BGGN | B-g Gnatcatcher | 68 | 11 | |
| EABL | E Bluebird | 89 | 12 | |
| WOTH | Wood Thrush | 79 | 12 | |
| AMRO | Am Robin | 73 | 11 | |
| GRCA | Gray Catbird | 18 | 7 | |
| NOMO | N Mockingbird | 92 | 11 | |
| BRTH | Brown Thrasher | 16 | 8 | |
| EUST | Eur Starling | 156 | 11 | |
| NOPA | Northern Parula | 1 | 1 | |
| YTWA | Yellow-throated Warbler | 2 | 2 | |
| PRAW | Prairie Warbler | 4 | 2 | |
| PIWA | Pine Warbler | 94 | 10 | |
| AMRE | Amer Redstart | 0 | 0 | |
| PROW | Prothonotary Warbler | 0 | 0 | |
| OVEN | Ovenbird | 29 | 9 | |
| LOWA | La Waterthrush | 1 | 1 | |
| KEWA | Kentucky Warbler | 0 | 0 | |
| COYE | Com Yellowthroat | 21 | 6 | |
| HOWA | Hooded Warbler | 0 | 0 | |
| YBCH | Yellow-breasted Chat | 10 | 6 | |
| SUTA | Summer Tanager | 16 | 7 | |
| SCTA | Scarlet Tanager | 6 | 5 | |
| EATO | E Towhee | 55 | 11 | |
| CHSP | Chipping Sparrow | 103 | 11 | |
| FISP | Field Sparrow | 37 | 11 | |
| GRSP | Grasshopper Sparrow | 9 | 4 | |
| SOSP | Song Sparrow | 1 | 1 | |
| NOCA | N Cardinal | 299 | 12 | |
| BLGR | Blue Grosbeak | 34 | 11 | |
| INBU | Indigo Bunting | 130 | 12 | |
| RWBL | Red-wing Blackbird | 40 | 11 | |
| EAME | E Meadowlark | 75 | 10 | |
| COGR | Com Grackle | 222 | 12 | |
| BHCO | Br-headed Cowbird | 20 | 7 | |
| OROR | Orchard Oriole | 4 | 4 | |
| BAOR | Baltimore Oriole | 1 | 1 | |
| HOFI | House Finch | 48 | 10 | |
| AMGO | Am Goldfinch | 76 | 12 | |
| HOSP | House Sparrow | 26 | 6 |