BBS Route · Iowa · BCR 22
Cedar Valley Bird Survey Route
A standard 50-stop Breeding Bird Survey route. 88 species recorded across 29 survey years, no longer active.
88Species Recorded
29Years Surveyed
1967–1997Span
2Observers
Bird Species Found on Iowa Cedar Valley
Top 40 of 88 species by most recent count. Each links to its species trend.
| History | ||||||
|---|---|---|---|---|---|---|
| Red-winged Blackbird | Icteridae | 361 | 1997 | -19% | 1969 | |
| House Sparrow | Passeridae | 264 | 1997 | -38% | 1969 | |
| American Robin | Turdidae | 78 | 1997 | +59% | 1969 | |
| European Starling | Sturnidae | 75 | 1997 | +45% | 1969 | |
| Common Grackle | Icteridae | 74 | 1997 | -19% | 1969 | |
| Killdeer | Charadriidae | 68 | 1997 | +669% | 1970 | |
| Western Meadowlark | Icteridae | 52 | 1997 | -59% | 1969 | |
| Song Sparrow | Passerellidae | 51 | 1997 | +129% | 1969 | |
| Barn Swallow | Hirundinidae | 51 | 1997 | +228% | 1969 | |
| Horned Lark | Alaudidae | 47 | 1997 | -48% | 1969 | |
| Brown-headed Cowbird | Icteridae | 46 | 1997 | +154% | 1969 | |
| Vesper Sparrow | Passerellidae | 46 | 1997 | +692% | 1969 | |
| Dickcissel | Cardinalidae | 35 | 1997 | -76% | 1969 | |
| Mourning Dove | Columbidae | 30 | 1997 | +58% | 1969 | |
| American Crow | Corvidae | 23 | 1997 | +39% | 1969 | |
| Chipping Sparrow | Passerellidae | 22 | 1997 | 16× | 1974 | |
| Eastern Meadowlark | Icteridae | 20 | 1997 | +100% | 1969 | |
| Ring-necked Pheasant | Phasianidae | 19 | 1997 | -19% | 1969 | |
| Common Yellowthroat | Parulidae | 18 | 1997 | +5% | 1969 | |
| Chimney Swift | Apodidae | 15 | 1997 | -9% | 1969 | |
| Northern Bobwhite | Odontophoridae | 14 | 1997 | -23% | 1969 | |
| Indigo Bunting | Cardinalidae | 12 | 1997 | +30% | 1969 | |
| Northern Cardinal | Cardinalidae | 11 | 1997 | +65% | 1969 | |
| Bank Swallow | Hirundinidae | 10 | 1997 | +120% | 1973 | |
| Rock Pigeon | Columbidae | 9 | 1997 | -69% | 1969 | |
| Savannah Sparrow | Passerellidae | 8 | 1997 | +223% | 1974 | |
| Blue Jay | Corvidae | 6 | 1997 | +100% | 1971 | |
| American Goldfinch | Fringillidae | 6 | 1997 | +7% | 1969 | |
| Tree Swallow | Hirundinidae | 6 | 1996 | n/a | n/a | |
| Brown Thrasher | Mimidae | 5 | 1997 | +50% | 1969 | |
| Tufted Titmouse | Paridae | 5 | 1996 | +100% | 1970 | |
| Common Nighthawk | Caprimulgidae | 5 | 1971 | n/a | n/a | |
| Baltimore Oriole | Icteridae | 4 | 1997 | +71% | 1969 | |
| Grasshopper Sparrow | Passerellidae | 4 | 1997 | -36% | 1969 | |
| Northern House Wren | Troglodytidae | 4 | 1997 | +11% | 1969 | |
| Northern Rough-winged Swallow | Hirundinidae | 4 | 1997 | +60% | 1977 | |
| Gray Partridge | Phasianidae | 4 | 1991 | +300% | 1987 | |
| House Finch | Fringillidae | 4 | 1997 | -60% | 1995 | |
| Upland Sandpiper | Scolopacidae | 3 | 1997 | +0% | 1972 | |
| Gray Catbird | Mimidae | 3 | 1997 | +250% | 1972 |
Source: USGS North American Breeding Bird Survey, retrieved 2026-05-22. A route is a sample, not a census.