BirdAnalyst
BBS Route · Illinois · BCR 22

Bartonville Bird Survey Route

A standard 50-stop Breeding Bird Survey route. 108 species recorded across 51 survey years, still active.

108Species 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 →
51Years SurveyedYears surveyedNumber of years with at least one standard-protocol run in this geography. A longer record makes the trend more reliable.Full methodology →
1973–2024Span
5Observers

Bird Species Found on Illinois Bartonville

Top 40 of 108 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 BlackbirdIcteridae1202024-32%1975
House SparrowPasseridae802024-67%1975
American RobinTurdidae632024+42%1975
European StarlingSturnidae592024-15%1975
Northern House WrenTroglodytidae312024+270%1975
Northern CardinalCardinalidae302024+65%1975
Brown-headed CowbirdIcteridae272024+313%1975
Indigo BuntingCardinalidae252024-30%1975
Cliff SwallowHirundinidae202024+29%2021
Barn SwallowHirundinidae192024-18%1975
Common YellowthroatParulidae182024-18%1975
DickcisselCardinalidae162024-33%1975
American CrowCorvidae152024+41%1975
KilldeerCharadriidae142024+960%1975
Mourning DoveColumbidae142024+33%1975
Horned LarkAlaudidae142024-65%1975
Eastern MeadowlarkIcteridae122024-81%1975
Tufted TitmouseParidae102024+41%1975
Warbling VireoVireonidae92024+700%1976
Gray CatbirdMimidae92024+300%1975
House FinchFringillidae92024+220%1995
American GoldfinchFringillidae82024-53%1975
Chipping SparrowPasserellidae8202412×1978
Song SparrowPasserellidae82024-73%1975
Red-bellied WoodpeckerPicidae82024+550%1978
Black-crowned Night HeronArdeidae71999+600%1990
Chimney SwiftApodidae62024-56%1975
Cedar WaxwingBombycillidae62023-18%1987
Eastern KingbirdTyrannidae52024-13%1975
Great Crested FlycatcherTyrannidae52024+83%1975
Blue JayCorvidae52024-28%1975
Eastern Wood-PeweeTyrannidae52024+167%1979
Baltimore OrioleIcteridae52024+117%1977
Eastern PhoebeTyrannidae42024+167%1977
Carolina WrenTroglodytidae42024+100%1976
Eastern BluebirdTurdidae42024+100%1976
Western Cattle-EgretArdeidae41985n/an/a
Common GrackleIcteridae32024-78%1975
Tree SwallowHirundinidae32024+50%1987
Yellow WarblerParulidae32024+233%1988

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