BBS Route · Wisconsin · BCR 23
Omro Bird Survey Route
A standard 50-stop Breeding Bird Survey route. 134 species recorded across 36 survey years, no longer active.
134Species Recorded
36Years Surveyed
1966–2001Span
1Observers
Bird Species Found on Wisconsin Omro
Top 40 of 134 species by most recent count. Each links to its species trend.
| History | ||||||
|---|---|---|---|---|---|---|
| Red-winged Blackbird | Icteridae | 305 | 2001 | -20% | 1968 | |
| European Starling | Sturnidae | 196 | 2001 | -19% | 1968 | |
| American Crow | Corvidae | 125 | 2001 | +153% | 1968 | |
| American Robin | Turdidae | 109 | 2001 | +57% | 1968 | |
| House Sparrow | Passeridae | 105 | 2001 | -38% | 1968 | |
| Ring-billed Gull | Laridae | 96 | 2001 | 44× | 1983 | |
| Common Grackle | Icteridae | 82 | 2001 | -61% | 1968 | |
| Rock Pigeon | Columbidae | 70 | 2001 | +127% | 1969 | |
| Song Sparrow | Passerellidae | 69 | 2001 | +1% | 1968 | |
| Bank Swallow | Hirundinidae | 68 | 2001 | +479% | 1968 | |
| Barn Swallow | Hirundinidae | 55 | 2001 | +59% | 1968 | |
| Canada Goose | Anatidae | 46 | 2001 | 40× | 1977 | |
| American Goldfinch | Fringillidae | 45 | 2001 | +428% | 1968 | |
| Sandhill Crane | Gruidae | 43 | 2001 | 17× | 1973 | |
| Mourning Dove | Columbidae | 41 | 2001 | +162% | 1968 | |
| Tree Swallow | Hirundinidae | 37 | 2001 | +519% | 1968 | |
| House Finch | Fringillidae | 35 | 2001 | +154% | 1993 | |
| Mallard | Anatidae | 34 | 2001 | -32% | 1968 | |
| Chipping Sparrow | Passerellidae | 31 | 2001 | +418% | 1968 | |
| Common Yellowthroat | Parulidae | 29 | 2001 | +12% | 1968 | |
| Wood Duck | Anatidae | 29 | 1999 | +208% | 1973 | |
| Brown-headed Cowbird | Icteridae | 26 | 2001 | -17% | 1968 | |
| Bobolink | Icteridae | 23 | 2001 | -46% | 1968 | |
| Eastern Kingbird | Tyrannidae | 22 | 2001 | -28% | 1968 | |
| Cedar Waxwing | Bombycillidae | 21 | 2001 | -6% | 1968 | |
| Yellow Warbler | Parulidae | 20 | 2001 | +127% | 1968 | |
| Northern House Wren | Troglodytidae | 20 | 2001 | +213% | 1968 | |
| Savannah Sparrow | Passerellidae | 18 | 2001 | -81% | 1968 | |
| Northern Cardinal | Cardinalidae | 18 | 2001 | +617% | 1969 | |
| Chimney Swift | Apodidae | 16 | 2001 | +26% | 1968 | |
| Blue Jay | Corvidae | 16 | 2001 | -9% | 1968 | |
| Baltimore Oriole | Icteridae | 16 | 2001 | +105% | 1968 | |
| Ring-necked Pheasant | Phasianidae | 12 | 2001 | -31% | 1968 | |
| Eastern Meadowlark | Icteridae | 11 | 2001 | -67% | 1968 | |
| Indigo Bunting | Cardinalidae | 11 | 2001 | +71% | 1968 | |
| Red-eyed Vireo | Vireonidae | 9 | 2001 | +229% | 1969 | |
| Eastern Bluebird | Turdidae | 9 | 2001 | +111% | 1969 | |
| Killdeer | Charadriidae | 8 | 2001 | -15% | 1968 | |
| Eastern Wood-Pewee | Tyrannidae | 8 | 2001 | +90% | 1968 | |
| Cliff Swallow | Hirundinidae | 8 | 2001 | +875% | 1969 |
Source: USGS North American Breeding Bird Survey, retrieved 2026-05-22. A route is a sample, not a census.