BBS Route · Illinois · BCR 24
Sandusky Bird Survey Route
A standard 50-stop Breeding Bird Survey route. 107 species recorded across 29 survey years, still active.
107Species Recorded
29Years Surveyed
1993–2023Span
2Observers
Bird Species Found on Illinois Sandusky
Top 40 of 107 species by most recent count. Each links to its species trend.
| History | ||||||
|---|---|---|---|---|---|---|
| White-eyed Vireo | Vireonidae | 67 | 2023 | +170% | 1995 | |
| Indigo Bunting | Cardinalidae | 58 | 2023 | -23% | 1995 | |
| American Crow | Corvidae | 57 | 2023 | +90% | 1995 | |
| Northern Cardinal | Cardinalidae | 44 | 2023 | -6% | 1995 | |
| Common Yellowthroat | Parulidae | 40 | 2023 | +44% | 1995 | |
| Brown-headed Cowbird | Icteridae | 29 | 2023 | -56% | 1995 | |
| Mourning Dove | Columbidae | 24 | 2023 | +41% | 1995 | |
| Red-eyed Vireo | Vireonidae | 24 | 2023 | +224% | 1995 | |
| Carolina Wren | Troglodytidae | 23 | 2023 | -27% | 1995 | |
| Acadian Flycatcher | Tyrannidae | 22 | 2023 | +90% | 1995 | |
| Yellow-breasted Chat | Icteriidae | 21 | 2023 | -4% | 1995 | |
| Tufted Titmouse | Paridae | 21 | 2023 | +9% | 1995 | |
| Field Sparrow | Passerellidae | 18 | 2023 | +16% | 1995 | |
| Turkey Vulture | Cathartidae | 18 | 2023 | +300% | 1998 | |
| Cliff Swallow | Hirundinidae | 18 | 2022 | +900% | 2011 | |
| Barn Swallow | Hirundinidae | 17 | 2023 | +66% | 1995 | |
| Red-bellied Woodpecker | Picidae | 16 | 2023 | +11% | 1995 | |
| Wood Thrush | Turdidae | 16 | 2023 | +119% | 1995 | |
| Common Grackle | Icteridae | 15 | 2022 | -71% | 1995 | |
| American Goldfinch | Fringillidae | 15 | 2023 | -20% | 1995 | |
| Chipping Sparrow | Passerellidae | 15 | 2023 | +16% | 1995 | |
| Northern Parula | Parulidae | 15 | 2023 | +52% | 1995 | |
| Summer Tanager | Cardinalidae | 14 | 2023 | +188% | 1995 | |
| Western Cattle-Egret | Ardeidae | 14 | 2009 | -5% | 2002 | |
| Eastern Wood-Pewee | Tyrannidae | 13 | 2023 | +70% | 1995 | |
| Kentucky Warbler | Parulidae | 13 | 2023 | +83% | 1995 | |
| House Sparrow | Passeridae | 12 | 2023 | +37% | 1995 | |
| White-breasted Nuthatch | Sittidae | 12 | 2023 | +112% | 1995 | |
| Blue Grosbeak | Cardinalidae | 11 | 2023 | +344% | 1995 | |
| Northern Rough-winged Swallow | Hirundinidae | 11 | 2023 | +75% | 1995 | |
| Eastern Bluebird | Turdidae | 11 | 2023 | +6% | 1995 | |
| Blue Jay | Corvidae | 9 | 2023 | -37% | 1995 | |
| Red-winged Blackbird | Icteridae | 9 | 2023 | -42% | 1995 | |
| Great Crested Flycatcher | Tyrannidae | 8 | 2023 | -35% | 1995 | |
| Purple Martin | Hirundinidae | 8 | 2023 | +433% | 1995 | |
| Blue-gray Gnatcatcher | Polioptilidae | 7 | 2023 | -51% | 1995 | |
| Double-crested Cormorant | Phalacrocoracidae | 7 | 2016 | n/a | n/a | |
| Yellow-billed Cuckoo | Cuculidae | 6 | 2023 | -25% | 1995 | |
| Dickcissel | Cardinalidae | 6 | 2023 | +57% | 1995 | |
| Yellow-throated Vireo | Vireonidae | 6 | 2023 | +27% | 1995 |
Source: USGS North American Breeding Bird Survey, retrieved 2026-05-22. A route is a sample, not a census.