BBS Route · Missouri · BCR 22
Union Bird Survey Route
A standard 50-stop Breeding Bird Survey route. 93 species recorded across 10 survey years, no longer active.
93Species Recorded
10Years Surveyed
1990–1999Span
1Observers
Bird Species Found on Missouri Union
Top 40 of 93 species by most recent count. Each links to its species trend.
| History | ||||||
|---|---|---|---|---|---|---|
| Northern Cardinal | Cardinalidae | 47 | 1999 | -29% | 1992 | |
| American Crow | Corvidae | 36 | 1999 | +1% | 1992 | |
| Indigo Bunting | Cardinalidae | 36 | 1999 | +2% | 1992 | |
| Barn Swallow | Hirundinidae | 27 | 1999 | +16% | 1992 | |
| Blue Jay | Corvidae | 25 | 1999 | -40% | 1992 | |
| American Robin | Turdidae | 25 | 1999 | -26% | 1992 | |
| Mourning Dove | Columbidae | 21 | 1999 | -3% | 1992 | |
| Eastern Wood-Pewee | Tyrannidae | 20 | 1999 | +3% | 1992 | |
| Red-winged Blackbird | Icteridae | 19 | 1999 | -52% | 1992 | |
| Field Sparrow | Passerellidae | 19 | 1999 | -23% | 1992 | |
| Eastern Meadowlark | Icteridae | 16 | 1999 | -35% | 1992 | |
| Common Grackle | Icteridae | 14 | 1999 | -41% | 1992 | |
| Northern House Wren | Troglodytidae | 14 | 1999 | +167% | 1992 | |
| White-breasted Nuthatch | Sittidae | 14 | 1999 | +0% | 1992 | |
| Brown-headed Cowbird | Icteridae | 13 | 1999 | -31% | 1992 | |
| Purple Martin | Hirundinidae | 13 | 1999 | -19% | 1992 | |
| Tufted Titmouse | Paridae | 13 | 1999 | -40% | 1992 | |
| Chipping Sparrow | Passerellidae | 12 | 1999 | -33% | 1992 | |
| Summer Tanager | Cardinalidae | 11 | 1999 | +0% | 1992 | |
| Eastern Phoebe | Tyrannidae | 10 | 1999 | +7% | 1992 | |
| Carolina Wren | Troglodytidae | 10 | 1999 | -40% | 1992 | |
| Chimney Swift | Apodidae | 9 | 1999 | -40% | 1992 | |
| Yellow-breasted Chat | Icteriidae | 9 | 1999 | +54% | 1992 | |
| Cedar Waxwing | Bombycillidae | 9 | 1998 | n/a | n/a | |
| White-eyed Vireo | Vireonidae | 8 | 1999 | +200% | 1992 | |
| Eastern Bluebird | Turdidae | 8 | 1999 | -26% | 1992 | |
| Red-bellied Woodpecker | Picidae | 7 | 1999 | -50% | 1992 | |
| Eastern Kingbird | Tyrannidae | 7 | 1999 | -44% | 1992 | |
| European Starling | Sturnidae | 7 | 1999 | -20% | 1992 | |
| Eastern Towhee | Passerellidae | 7 | 1999 | -47% | 1992 | |
| Common Yellowthroat | Parulidae | 7 | 1999 | -34% | 1992 | |
| American Goldfinch | Fringillidae | 6 | 1999 | +50% | 1992 | |
| Brown Thrasher | Mimidae | 6 | 1999 | -19% | 1992 | |
| Yellow-billed Cuckoo | Cuculidae | 5 | 1999 | +88% | 1992 | |
| Dickcissel | Cardinalidae | 5 | 1999 | +189% | 1992 | |
| Kentucky Warbler | Parulidae | 5 | 1999 | +36% | 1992 | |
| Red-eyed Vireo | Vireonidae | 5 | 1999 | +50% | 1993 | |
| Red-shouldered Hawk | Accipitridae | 5 | 1999 | +200% | 1993 | |
| Wood Thrush | Turdidae | 5 | 1999 | +100% | 1994 | |
| Downy Woodpecker | Picidae | 4 | 1999 | -33% | 1992 |
Source: USGS North American Breeding Bird Survey, retrieved 2026-05-22. A route is a sample, not a census.