BBS Route · Oklahoma · BCR 21
Barnsdall Bird Survey Route
A standard 50-stop Breeding Bird Survey route. 77 species recorded across 11 survey years, no longer active.
77Species Recorded
11Years Surveyed
1967–1977Span
2Observers
Bird Species Found on Oklahoma Barnsdall
Top 40 of 77 species by most recent count. Each links to its species trend.
| History | ||||||
|---|---|---|---|---|---|---|
| Eastern Meadowlark | Icteridae | 54 | 1977 | -15% | 1969 | |
| Northern Bobwhite | Odontophoridae | 39 | 1977 | -13% | 1969 | |
| Field Sparrow | Passerellidae | 26 | 1977 | -34% | 1969 | |
| Barn Swallow | Hirundinidae | 20 | 1977 | +14% | 1969 | |
| Red-winged Blackbird | Icteridae | 19 | 1977 | -25% | 1969 | |
| Great Crested Flycatcher | Tyrannidae | 18 | 1976 | -19% | 1969 | |
| Northern Cardinal | Cardinalidae | 15 | 1977 | -17% | 1969 | |
| Scissor-tailed Flycatcher | Tyrannidae | 14 | 1977 | -17% | 1969 | |
| American Crow | Corvidae | 14 | 1977 | -45% | 1969 | |
| Lark Sparrow | Passerellidae | 14 | 1977 | -47% | 1969 | |
| Yellow-billed Cuckoo | Cuculidae | 12 | 1977 | +19% | 1969 | |
| Chimney Swift | Apodidae | 11 | 1977 | -7% | 1969 | |
| Dickcissel | Cardinalidae | 11 | 1977 | -48% | 1969 | |
| Northern Mockingbird | Mimidae | 10 | 1977 | -13% | 1969 | |
| Blue Jay | Corvidae | 9 | 1977 | -16% | 1969 | |
| Mourning Dove | Columbidae | 8 | 1977 | -39% | 1969 | |
| Blue-gray Gnatcatcher | Polioptilidae | 8 | 1976 | -49% | 1969 | |
| European Starling | Sturnidae | 7 | 1977 | +71% | 1969 | |
| Grasshopper Sparrow | Passerellidae | 7 | 1976 | +21% | 1969 | |
| Chuck-will's-widow | Caprimulgidae | 7 | 1976 | +0% | 1970 | |
| Brown-headed Cowbird | Icteridae | 6 | 1977 | -48% | 1969 | |
| Indigo Bunting | Cardinalidae | 6 | 1977 | -60% | 1969 | |
| House Sparrow | Passeridae | 6 | 1977 | -71% | 1969 | |
| American Robin | Turdidae | 5 | 1977 | -29% | 1969 | |
| Tufted Titmouse | Paridae | 4 | 1977 | -24% | 1969 | |
| Green Heron | Ardeidae | 3 | 1977 | +20% | 1969 | |
| Red-bellied Woodpecker | Picidae | 3 | 1976 | -15% | 1969 | |
| Eastern Kingbird | Tyrannidae | 3 | 1977 | +8% | 1969 | |
| Orchard Oriole | Icteridae | 3 | 1977 | -64% | 1969 | |
| Summer Tanager | Cardinalidae | 3 | 1977 | -44% | 1969 | |
| Loggerhead Shrike | Laniidae | 3 | 1977 | -56% | 1969 | |
| Brown Thrasher | Mimidae | 3 | 1977 | -50% | 1969 | |
| Bewick's Wren | Troglodytidae | 3 | 1977 | -57% | 1969 | |
| Belted Kingfisher | Alcedinidae | 3 | 1977 | +100% | 1969 | |
| American Goldfinch | Fringillidae | 3 | 1977 | -67% | 1971 | |
| White-breasted Nuthatch | Sittidae | 3 | 1977 | -50% | 1971 | |
| Ruby-throated Hummingbird | Trochilidae | 3 | 1975 | +200% | 1971 | |
| Great Blue Heron | Ardeidae | 2 | 1977 | -36% | 1969 | |
| Killdeer | Charadriidae | 2 | 1977 | +50% | 1969 | |
| Turkey Vulture | Cathartidae | 2 | 1977 | -81% | 1969 |
Source: USGS North American Breeding Bird Survey, retrieved 2026-05-22. A route is a sample, not a census.