BBS Route · Illinois · BCR 22
Stillwell Bird Survey Route
A standard 50-stop Breeding Bird Survey route. 98 species recorded across 48 survey years, still active.
98Species Recorded
48Years Surveyed
1971–2024Span
4Observers
Bird Species Found on Illinois Stillwell
Top 40 of 98 species by most recent count. Each links to its species trend.
| History | ||||||
|---|---|---|---|---|---|---|
| Red-winged Blackbird | Icteridae | 157 | 2024 | +9% | 1977 | |
| Dickcissel | Cardinalidae | 68 | 2024 | +133% | 1977 | |
| American Robin | Turdidae | 64 | 2024 | +135% | 1977 | |
| Mourning Dove | Columbidae | 45 | 2024 | +18% | 1977 | |
| Brown-headed Cowbird | Icteridae | 45 | 2024 | +397% | 1977 | |
| Killdeer | Charadriidae | 42 | 2024 | 32× | 1977 | |
| European Starling | Sturnidae | 36 | 2024 | -21% | 1977 | |
| Common Grackle | Icteridae | 35 | 2024 | -67% | 1977 | |
| Barn Swallow | Hirundinidae | 35 | 2024 | +29% | 1977 | |
| Northern Rough-winged Swallow | Hirundinidae | 30 | 2024 | +300% | 1982 | |
| Horned Lark | Alaudidae | 27 | 2023 | -72% | 1977 | |
| Common Yellowthroat | Parulidae | 27 | 2024 | +176% | 1977 | |
| Indigo Bunting | Cardinalidae | 25 | 2024 | +140% | 1977 | |
| Red-headed Woodpecker | Picidae | 24 | 2023 | +42% | 1977 | |
| American Crow | Corvidae | 22 | 2024 | +45% | 1977 | |
| Eastern Meadowlark | Icteridae | 19 | 2024 | -51% | 1977 | |
| Northern Cardinal | Cardinalidae | 19 | 2024 | +180% | 1977 | |
| Northern House Wren | Troglodytidae | 19 | 2024 | +69% | 1977 | |
| Canada Goose | Anatidae | 19 | 2017 | +90% | 2000 | |
| House Sparrow | Passeridae | 16 | 2024 | -89% | 1977 | |
| Turkey Vulture | Cathartidae | 16 | 2024 | 25× | 1999 | |
| American Goldfinch | Fringillidae | 10 | 2024 | +53% | 1977 | |
| Chipping Sparrow | Passerellidae | 10 | 2024 | +613% | 1982 | |
| Gray Catbird | Mimidae | 10 | 2024 | +250% | 1977 | |
| Eastern Wood-Pewee | Tyrannidae | 10 | 2024 | +550% | 1983 | |
| Upland Sandpiper | Scolopacidae | 9 | 2024 | +300% | 1978 | |
| Wood Duck | Anatidae | 8 | 2017 | +150% | 1994 | |
| Eurasian Collared-Dove | Columbidae | 7 | 2024 | +73% | 2005 | |
| Field Sparrow | Passerellidae | 6 | 2024 | -38% | 1977 | |
| Song Sparrow | Passerellidae | 6 | 2024 | +50% | 1977 | |
| House Finch | Fringillidae | 6 | 2023 | +43% | 1997 | |
| Chimney Swift | Apodidae | 5 | 2023 | -85% | 1977 | |
| Great Crested Flycatcher | Tyrannidae | 5 | 2023 | -33% | 1978 | |
| Purple Martin | Hirundinidae | 5 | 2023 | -76% | 1977 | |
| Red-bellied Woodpecker | Picidae | 4 | 2024 | -33% | 1977 | |
| Vesper Sparrow | Passerellidae | 4 | 2023 | +20% | 1982 | |
| Rose-breasted Grosbeak | Cardinalidae | 4 | 2024 | +0% | 1977 | |
| Eastern Bluebird | Turdidae | 4 | 2021 | -60% | 1977 | |
| Rock Pigeon | Columbidae | 4 | 2023 | -79% | 1979 | |
| White-breasted Nuthatch | Sittidae | 4 | 2023 | +20% | 1982 |
Source: USGS North American Breeding Bird Survey, retrieved 2026-05-22. A route is a sample, not a census.