BBS Route · Oklahoma · BCR 21
Loco Bird Survey Route
A standard 50-stop Breeding Bird Survey route. 75 species recorded across 19 survey years, no longer active.
75Species Recorded
19Years Surveyed
1967–1985Span
2Observers
Bird Species Found on Oklahoma Loco
Top 40 of 75 species by most recent count. Each links to its species trend.
| History | ||||||
|---|---|---|---|---|---|---|
| Cliff Swallow | Hirundinidae | 100 | 1979 | n/a | n/a | |
| Northern Rough-winged Swallow | Hirundinidae | 86 | 1985 | +840% | 1976 | |
| Eastern Meadowlark | Icteridae | 72 | 1985 | -16% | 1969 | |
| Northern Bobwhite | Odontophoridae | 39 | 1985 | +0% | 1969 | |
| Scissor-tailed Flycatcher | Tyrannidae | 36 | 1985 | +6% | 1969 | |
| Western Cattle-Egret | Ardeidae | 36 | 1985 | +300% | 1983 | |
| Brown-headed Cowbird | Icteridae | 31 | 1985 | -29% | 1969 | |
| House Sparrow | Passeridae | 31 | 1985 | -50% | 1969 | |
| Red-winged Blackbird | Icteridae | 27 | 1985 | +200% | 1969 | |
| Dickcissel | Cardinalidae | 27 | 1985 | -49% | 1969 | |
| American Crow | Corvidae | 25 | 1985 | -11% | 1969 | |
| Northern Mockingbird | Mimidae | 25 | 1985 | +22% | 1969 | |
| Northern Cardinal | Cardinalidae | 24 | 1985 | -2% | 1969 | |
| Mourning Dove | Columbidae | 22 | 1985 | -37% | 1969 | |
| Common Grackle | Icteridae | 14 | 1985 | 13× | 1976 | |
| Barn Swallow | Hirundinidae | 13 | 1985 | -8% | 1969 | |
| Red-bellied Woodpecker | Picidae | 10 | 1985 | +257% | 1969 | |
| Lark Sparrow | Passerellidae | 10 | 1985 | -43% | 1969 | |
| Painted Bunting | Cardinalidae | 10 | 1985 | -32% | 1969 | |
| Eastern Bluebird | Turdidae | 8 | 1983 | -8% | 1970 | |
| Killdeer | Charadriidae | 7 | 1985 | +64% | 1969 | |
| Yellow-billed Cuckoo | Cuculidae | 6 | 1985 | +24% | 1969 | |
| Common Nighthawk | Caprimulgidae | 6 | 1985 | -25% | 1969 | |
| Field Sparrow | Passerellidae | 6 | 1985 | -72% | 1969 | |
| Tufted Titmouse | Paridae | 6 | 1985 | +27% | 1971 | |
| Purple Martin | Hirundinidae | 6 | 1984 | +200% | 1974 | |
| Little Blue Heron | Ardeidae | 5 | 1985 | +400% | 1974 | |
| Carolina Chickadee | Paridae | 4 | 1985 | -63% | 1969 | |
| Turkey Vulture | Cathartidae | 3 | 1984 | +0% | 1975 | |
| Swainson's Hawk | Accipitridae | 3 | 1979 | +100% | 1974 | |
| Great Blue Heron | Ardeidae | 3 | 1985 | +20% | 1980 | |
| Chimney Swift | Apodidae | 3 | 1984 | +25% | 1975 | |
| Downy Woodpecker | Picidae | 2 | 1985 | +25% | 1979 | |
| Eastern Kingbird | Tyrannidae | 2 | 1985 | +0% | 1972 | |
| Great Crested Flycatcher | Tyrannidae | 2 | 1985 | -80% | 1970 | |
| Grasshopper Sparrow | Passerellidae | 2 | 1985 | -27% | 1975 | |
| Blue Grosbeak | Cardinalidae | 2 | 1985 | -29% | 1970 | |
| Chuck-will's-widow | Caprimulgidae | 2 | 1985 | +17% | 1970 | |
| American Robin | Turdidae | 2 | 1984 | -20% | 1972 | |
| Horned Lark | Alaudidae | 2 | 1982 | -25% | 1972 |
Source: USGS North American Breeding Bird Survey, retrieved 2026-05-22. A route is a sample, not a census.