BirdAnalyst
BBS Route · Illinois · BCR 22

Concord Bird Survey Route

A standard 50-stop Breeding Bird Survey route. 104 species recorded across 54 survey years, still active.

104Species 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 →
54Years SurveyedYears surveyedNumber of years with at least one standard-protocol run in this geography. A longer record makes the trend more reliable.Full methodology →
1967–2024Span
4Observers

Bird Species Found on Illinois Concord

Top 40 of 104 species by most recent count. Each links to its species trend.

Species recorded on the Concord 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 RobinTurdidae1052024+208%1969
European StarlingSturnidae832024+20%1969
Red-winged BlackbirdIcteridae692024+53%1969
Mourning DoveColumbidae412024+126%1969
Indigo BuntingCardinalidae402024+157%1969
Turkey VultureCathartidae35202414×1986
KilldeerCharadriidae32202423×1969
Northern CardinalCardinalidae312024+75%1969
Barn SwallowHirundinidae312024+42%1969
House SparrowPasseridae312024-86%1969
Canada GooseAnatidae302018-46%2001
DickcisselCardinalidae252024-32%1969
Northern BobwhiteOdontophoridae202024-57%1969
Chipping SparrowPasserellidae18202414×1971
Red-bellied WoodpeckerPicidae162024+370%1970
Song SparrowPasserellidae152024+68%1969
Eastern Wood-PeweeTyrannidae142024+192%1969
Eurasian Tree SparrowPasseridae142023-41%1969
Chimney SwiftApodidae132024-75%1969
Common YellowthroatParulidae132024+228%1969
Red-headed WoodpeckerPicidae122024+29%1969
Common GrackleIcteridae122024-75%1969
Northern House WrenTroglodytidae112024+170%1969
Eastern MeadowlarkIcteridae102024-53%1969
Cliff SwallowHirundinidae102024+83%2021
Eastern KingbirdTyrannidae92024+60%1969
Blue JayCorvidae92024+19%1969
Brown-headed CowbirdIcteridae92024+71%1969
Gray CatbirdMimidae92024+227%1969
Carolina WrenTroglodytidae82024+22%1969
Horned LarkAlaudidae72024-76%1969
Purple MartinHirundinidae72024-8%1969
Warbling VireoVireonidae72024+21%1969
Wood ThrushTurdidae72024+425%1987
Bank SwallowHirundinidae61987n/an/a
American CrowCorvidae52024-61%1969
American KestrelFalconidae42024+100%1969
Downy WoodpeckerPicidae42024+117%1969
Great Crested FlycatcherTyrannidae42024+0%1969
American GoldfinchFringillidae42024-53%1969

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