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BBS Route · Illinois · BCR 22

Bartonville Bird Survey Route

A standard 50-stop Breeding Bird Survey route. 109 species recorded across 52 survey years, still active.

109Species 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 →
52Years SurveyedYears surveyedNumber of years with at least one standard-protocol run in this geography. A longer record makes the trend more reliable.Full methodology →
1973–2025Span
5Observers

Bird Species Found on Illinois Bartonville

Top 40 of 109 species by most recent count. Each links to its species trend.

Species recorded on the Bartonville 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
Red-winged BlackbirdIcteridae1182025-39%1975
House SparrowPasseridae882025-64%1975
Canada GooseAnatidae862025+721%1990
American RobinTurdidae762025+69%1975
European StarlingSturnidae452025-26%1975
Northern CardinalCardinalidae372025+73%1975
Brown-headed CowbirdIcteridae272025+388%1975
Northern House WrenTroglodytidae242025+295%1975
American CrowCorvidae182025+33%1975
House FinchFringillidae182025+500%1995
Mourning DoveColumbidae172025+31%1975
KilldeerCharadriidae142025+860%1975
Barn SwallowHirundinidae142025-7%1975
Red-bellied WoodpeckerPicidae142025+750%1978
Warbling VireoVireonidae132025+750%1976
Eastern MeadowlarkIcteridae122025-81%1975
DickcisselCardinalidae112025-56%1975
Song SparrowPasserellidae102025-68%1975
Common YellowthroatParulidae102025-22%1975
Gray CatbirdMimidae102025+360%1975
Cliff SwallowHirundinidae92025+57%2022
Eurasian Collared-DoveColumbidae92025+225%2012
Chipping SparrowPasserellidae82025+625%1978
Indigo BuntingCardinalidae82025-43%1975
Chimney SwiftApodidae72025-58%1975
Eastern BluebirdTurdidae72025+200%1976
Black-crowned Night HeronArdeidae71999+600%1990
Red-headed WoodpeckerPicidae62025-36%1975
Blue JayCorvidae62025-53%1975
American GoldfinchFringillidae62025-53%1975
Black-capped ChickadeeParidae62025+30%1975
Yellow WarblerParulidae62025+333%1988
Common GrackleIcteridae52025-86%1975
Tufted TitmouseParidae52025+29%1975
Eastern Wood-PeweeTyrannidae52025+167%1979
Cedar WaxwingBombycillidae52025-41%1987
Eastern PhoebeTyrannidae42025+267%1977
Rose-breasted GrosbeakCardinalidae42025+0%1975
Carolina WrenTroglodytidae42024+100%1976
Western Cattle-EgretArdeidae41985n/an/a

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