BirdAnalyst
BBS Route · Illinois · BCR 22

Caledonia Bird Survey Route

A standard 50-stop Breeding Bird Survey route. 91 species recorded across 32 survey years, still active.

91Species RecordedSpecies recordedDistinct species detected on standard-protocol BBS runs here across all years on record — a measure of survey breadth, not a complete checklist.Full methodology →
32Years SurveyedYears surveyedNumber of years with at least one standard-protocol run in this geography. A longer record makes the trend more reliable.Full methodology →
1993–2025Span
2Observers

Bird Species Found on Illinois Caledonia

Top 40 of 91 species by most recent count. Each links to its species trend.

Species recorded on the Caledonia route.
Recent countThe raw number of individuals recorded on this route in its most recent survey year. A single-route tally, not a trend.Full methodology →TrendPercent change in the route-weighted abundance index between a smoothed baseline window and the most recent one. It tracks direction, not absolute population.Full methodology →Baseline yearThe first year of the smoothed window the trend is measured from. An earlier baseline means a longer record stands behind the number.Full methodology →History
American RobinTurdidae1492025+9%1995
European StarlingSturnidae1332025-26%1995
Red-winged BlackbirdIcteridae892025-56%1995
House SparrowPasseridae742025-14%1995
Mourning DoveColumbidae472025-7%1995
Common GrackleIcteridae452025-62%1995
Cliff SwallowHirundinidae432025+242%1995
Northern CardinalCardinalidae332025+120%1995
Northern House WrenTroglodytidae302025+2%1995
American CrowCorvidae262025-22%1995
KilldeerCharadriidae242025-40%1995
Song SparrowPasserellidae242025-82%1995
Gray CatbirdMimidae232025+206%1995
Blue JayCorvidae222025-3%1995
Rock PigeonColumbidae202025-50%1995
House FinchFringillidae192025+200%1996
Black-capped ChickadeeParidae182025+177%1996
American GoldfinchFringillidae162025-20%1995
Chipping SparrowPasserellidae142025-48%1995
Indigo BuntingCardinalidae142025-10%1995
Brown-headed CowbirdIcteridae132025-5%1995
Common YellowthroatParulidae112025-11%1995
Horned LarkAlaudidae102025-74%1995
Tree SwallowHirundinidae102025+25%1996
Savannah SparrowPasserellidae82025-69%1995
Eurasian Collared-DoveColumbidae72025+71%2018
Chimney SwiftApodidae62025-34%1995
Vesper SparrowPasserellidae62025-49%1995
Barn SwallowHirundinidae62025-46%1995
Red-bellied WoodpeckerPicidae62025+133%1998
Sandhill CraneGruidae62021+56%2013
Eastern KingbirdTyrannidae52025+35%1995
Eastern Wood-PeweeTyrannidae52025-20%1996
Baltimore OrioleIcteridae52025-50%1995
Eastern BluebirdTurdidae52025+129%1996
American KestrelFalconidae42025-14%1995
Brown ThrasherMimidae42025+0%1995
Ring-necked PheasantPhasianidae32025-90%1995
Great Crested FlycatcherTyrannidae32024+133%1996
Rose-breasted GrosbeakCardinalidae32025+60%1996

Source: USGS North American Breeding Bird Survey, retrieved 2026-08-14. A route is a sample, not a census.