BBS Route · Illinois · BCR 22
Union Bird Survey Route
A standard 50-stop Breeding Bird Survey route. 73 species recorded across 7 survey years, no longer active.
73Species Recorded
7Years Surveyed
2001–2017Span
3Observers
Bird Species Found on Illinois Union
Top 40 of 73 species by most recent count. Each links to its species trend.
| History | ||||||
|---|---|---|---|---|---|---|
| Red-winged Blackbird | Icteridae | 71 | 2017 | -9% | 2006 | |
| American Robin | Turdidae | 57 | 2017 | +4% | 2006 | |
| European Starling | Sturnidae | 41 | 2017 | +20% | 2006 | |
| Northern House Wren | Troglodytidae | 41 | 2017 | +184% | 2006 | |
| Chipping Sparrow | Passerellidae | 31 | 2017 | +116% | 2006 | |
| Song Sparrow | Passerellidae | 31 | 2017 | +33% | 2006 | |
| Northern Cardinal | Cardinalidae | 26 | 2017 | +34% | 2006 | |
| Cedar Waxwing | Bombycillidae | 26 | 2017 | +350% | 2006 | |
| House Sparrow | Passeridae | 26 | 2017 | +8% | 2006 | |
| American Goldfinch | Fringillidae | 21 | 2017 | -9% | 2006 | |
| Rock Pigeon | Columbidae | 19 | 2013 | +35% | 2005 | |
| Brown-headed Cowbird | Icteridae | 18 | 2017 | +221% | 2006 | |
| Horned Lark | Alaudidae | 16 | 2017 | +53% | 2006 | |
| Dickcissel | Cardinalidae | 15 | 2017 | +173% | 2006 | |
| American Crow | Corvidae | 14 | 2017 | +1% | 2006 | |
| Barn Swallow | Hirundinidae | 14 | 2017 | -24% | 2006 | |
| Common Yellowthroat | Parulidae | 14 | 2017 | +139% | 2006 | |
| Indigo Bunting | Cardinalidae | 13 | 2017 | +127% | 2006 | |
| Common Grackle | Icteridae | 12 | 2017 | -76% | 2006 | |
| Mourning Dove | Columbidae | 11 | 2017 | -48% | 2006 | |
| House Finch | Fringillidae | 11 | 2017 | +200% | 2006 | |
| Yellow Warbler | Parulidae | 10 | 2017 | +89% | 2006 | |
| Warbling Vireo | Vireonidae | 10 | 2017 | +17% | 2011 | |
| Blue Jay | Corvidae | 9 | 2017 | +74% | 2006 | |
| Black-capped Chickadee | Paridae | 9 | 2017 | -14% | 2006 | |
| Gray Catbird | Mimidae | 7 | 2017 | +50% | 2006 | |
| Baltimore Oriole | Icteridae | 6 | 2017 | +14% | 2005 | |
| Vesper Sparrow | Passerellidae | 6 | 2017 | +650% | 2006 | |
| Mallard | Anatidae | 6 | 2017 | +50% | 2011 | |
| Cliff Swallow | Hirundinidae | 6 | 2013 | +500% | 2012 | |
| Killdeer | Charadriidae | 5 | 2017 | -9% | 2006 | |
| Downy Woodpecker | Picidae | 5 | 2017 | +0% | 2006 | |
| Chimney Swift | Apodidae | 5 | 2017 | +0% | 2006 | |
| Eastern Wood-Pewee | Tyrannidae | 5 | 2017 | +200% | 2006 | |
| Turkey Vulture | Cathartidae | 4 | 2011 | +300% | 2005 | |
| Canada Goose | Anatidae | 4 | 2017 | n/a | n/a | |
| Red-eyed Vireo | Vireonidae | 3 | 2017 | +40% | 2006 | |
| Red-bellied Woodpecker | Picidae | 3 | 2017 | +13% | 2011 | |
| Spotted Sandpiper | Scolopacidae | 3 | 2017 | +200% | 2011 | |
| Bank Swallow | Hirundinidae | 3 | 2011 | n/a | n/a |
Source: USGS North American Breeding Bird Survey, retrieved 2026-05-22. A route is a sample, not a census.