BBS Route · Illinois · BCR 22

Mill Creek Bird Survey Route

A standard 50-stop Breeding Bird Survey route. 100 species recorded across 56 survey years, still active.

100Species Recorded
56Years Surveyed
19662024Span
3Observers

Bird Species Found on Illinois Mill Creek

Top 40 of 100 species by most recent count. Each links to its species trend.

Species recorded on the Mill Creek route.
History
American RobinTurdidae762024+141%1968
Red-winged BlackbirdIcteridae752024-64%1968
European StarlingSturnidae532024-64%1968
Common GrackleIcteridae512024-62%1968
Mourning DoveColumbidae482024+61%1968
Canada GooseAnatidae46202313×1999
Brown-headed CowbirdIcteridae432024+140%1968
House SparrowPasseridae312024-77%1968
American CrowCorvidae302024+17%1968
Northern CardinalCardinalidae23202413×1968
Horned LarkAlaudidae202024-4%1968
Chipping SparrowPasserellidae20202416×1968
Barn SwallowHirundinidae162024+108%1968
Northern House WrenTroglodytidae162024+103%1968
Gray CatbirdMimidae142024+225%1968
Song SparrowPasserellidae132024-9%1968
KilldeerCharadriidae122024+600%1968
Indigo BuntingCardinalidae122024+50%1968
Red-bellied WoodpeckerPicidae122024+833%1974
Blue JayCorvidae102024-26%1968
American GoldfinchFringillidae92024+10%1968
Common YellowthroatParulidae92024+4%1968
Cliff SwallowHirundinidae92024+500%1980
Ring-necked PheasantPhasianidae72024-64%1968
Eastern MeadowlarkIcteridae72024-75%1968
Wild TurkeyPhasianidae72024-35%2003
Eurasian Collared-DoveColumbidae72024+467%2015
Red-headed WoodpeckerPicidae62024-43%1968
Eastern KingbirdTyrannidae62024+20%1968
Eastern Wood-PeweeTyrannidae62024+350%1969
Baltimore OrioleIcteridae62024+78%1968
Rock PigeonColumbidae52024-52%1968
Western MeadowlarkIcteridae52019-96%1968
Vesper SparrowPasserellidae52024-57%1968
Great Crested FlycatcherTyrannidae52024-31%1972
Rose-breasted GrosbeakCardinalidae52024+100%1969
Northern Rough-winged SwallowHirundinidae52023+125%1969
White-breasted NuthatchSittidae52024+175%1974
Eurasian Tree SparrowPasseridae52023+67%2017
Gray PartridgePhasianidae41988-68%1977

Source: USGS North American Breeding Bird Survey, retrieved 2026-05-22. A route is a sample, not a census.