BBS Route · Oklahoma · BCR 21
Mill Creek Bird Survey Route
A standard 50-stop Breeding Bird Survey route. 104 species recorded across 47 survey years, still active.
104Species Recorded
47Years Surveyed
1967–2018Span
6Observers
Bird Species Found on Oklahoma Mill Creek
Top 40 of 104 species by most recent count. Each links to its species trend.
| History | ||||||
|---|---|---|---|---|---|---|
| Northern Cardinal | Cardinalidae | 75 | 2018 | +528% | 1969 | |
| Cliff Swallow | Hirundinidae | 69 | 2018 | 51× | 1994 | |
| American Crow | Corvidae | 68 | 2018 | +234% | 1969 | |
| Dickcissel | Cardinalidae | 47 | 2018 | +46% | 1969 | |
| Tufted Titmouse | Paridae | 46 | 2018 | +307% | 1970 | |
| Northern Mockingbird | Mimidae | 38 | 2018 | +91% | 1969 | |
| Brown-headed Cowbird | Icteridae | 34 | 2018 | +17% | 1969 | |
| Eastern Bluebird | Turdidae | 32 | 2018 | +211% | 1969 | |
| Black Vulture | Cathartidae | 25 | 2018 | +800% | 1973 | |
| Turkey Vulture | Cathartidae | 24 | 2018 | +102% | 1969 | |
| Yellow-billed Cuckoo | Cuculidae | 20 | 2018 | +326% | 1969 | |
| Eastern Meadowlark | Icteridae | 18 | 2018 | -44% | 1969 | |
| Northern Bobwhite | Odontophoridae | 15 | 2018 | -37% | 1969 | |
| Painted Bunting | Cardinalidae | 15 | 2018 | +139% | 1969 | |
| Lark Sparrow | Passerellidae | 13 | 2018 | +121% | 1969 | |
| Blue Grosbeak | Cardinalidae | 13 | 2018 | +371% | 1969 | |
| Mourning Dove | Columbidae | 12 | 2018 | +33% | 1969 | |
| Carolina Wren | Troglodytidae | 12 | 2018 | +210% | 1970 | |
| Canada Goose | Anatidae | 12 | 2018 | n/a | n/a | |
| Red-bellied Woodpecker | Picidae | 11 | 2018 | +300% | 1969 | |
| European Starling | Sturnidae | 11 | 2018 | +133% | 1969 | |
| Barn Swallow | Hirundinidae | 11 | 2018 | -70% | 1969 | |
| Great Crested Flycatcher | Tyrannidae | 10 | 2018 | +58% | 1970 | |
| Blue Jay | Corvidae | 10 | 2018 | +288% | 1969 | |
| Field Sparrow | Passerellidae | 10 | 2018 | -61% | 1969 | |
| Indigo Bunting | Cardinalidae | 9 | 2018 | +110% | 1969 | |
| Carolina Chickadee | Paridae | 9 | 2017 | -5% | 1971 | |
| Bewick's Wren | Troglodytidae | 8 | 2018 | +189% | 1972 | |
| Scissor-tailed Flycatcher | Tyrannidae | 7 | 2018 | -40% | 1969 | |
| Downy Woodpecker | Picidae | 7 | 2017 | +113% | 1972 | |
| White-eyed Vireo | Vireonidae | 7 | 2018 | +367% | 1981 | |
| Common Nighthawk | Caprimulgidae | 5 | 2018 | +83% | 1969 | |
| Barred Owl | Strigidae | 5 | 2017 | +120% | 1989 | |
| Pied-billed Grebe | Podicipedidae | 4 | 1968 | n/a | n/a | |
| Eastern Phoebe | Tyrannidae | 4 | 2018 | +250% | 1970 | |
| Grasshopper Sparrow | Passerellidae | 4 | 2017 | -30% | 1972 | |
| Red-eyed Vireo | Vireonidae | 4 | 2017 | +267% | 1975 | |
| Western Cattle-Egret | Ardeidae | 4 | 2014 | -13% | 2003 | |
| Mississippi Kite | Accipitridae | 4 | 2018 | +50% | 2008 | |
| Chimney Swift | Apodidae | 3 | 2018 | -14% | 1971 |
Source: USGS North American Breeding Bird Survey, retrieved 2026-05-22. A route is a sample, not a census.