BirdAnalyst
BBS Route · Illinois · BCR 22

Athensville Bird Survey Route

A standard 50-stop Breeding Bird Survey route. 105 species recorded across 45 survey years, still active.

105Species 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 →
45Years SurveyedYears surveyedNumber of years with at least one standard-protocol run in this geography. A longer record makes the trend more reliable.Full methodology →
1971–2024Span
6Observers

Bird Species Found on Illinois Athensville

Top 40 of 105 species by most recent count. Each links to its species trend.

Species recorded on the Athensville 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 RobinTurdidae942024+208%1973
Red-winged BlackbirdIcteridae802024-9%1973
Indigo BuntingCardinalidae582024+101%1973
Northern CardinalCardinalidae492024+107%1973
KilldeerCharadriidae332024+950%1973
Northern BobwhiteOdontophoridae302024-39%1973
Mourning DoveColumbidae282024+35%1973
European StarlingSturnidae272024+149%1973
DickcisselCardinalidae262024-59%1973
Barn SwallowHirundinidae242024+154%1973
Song SparrowPasserellidae232024-16%1973
Turkey VultureCathartidae202024+50%1999
Common YellowthroatParulidae192024+67%1973
Purple MartinHirundinidae172024+262%1973
Brown-headed CowbirdIcteridae162024+38%1973
House SparrowPasseridae162024-90%1973
Red-bellied WoodpeckerPicidae152024+233%1973
Eastern Wood-PeweeTyrannidae142024+177%1973
American CrowCorvidae142024+71%1973
Gray CatbirdMimidae132024+300%1973
Red-headed WoodpeckerPicidae122024+172%1973
Northern House WrenTroglodytidae112024+310%1974
Chipping SparrowPasserellidae112024+950%1983
Blue JayCorvidae102024+56%1973
Brown ThrasherMimidae102024+4%1973
Eastern MeadowlarkIcteridae92024-84%1973
Tufted TitmouseParidae92024-8%1973
Eastern KingbirdTyrannidae72024-25%1973
Horned LarkAlaudidae72024-79%1973
Common GrackleIcteridae62024-86%1973
Warbling VireoVireonidae52024+360%1973
Eastern BluebirdTurdidae52024+14%1973
Field SparrowPasserellidae42024-75%1973
Yellow-breasted ChatIcteriidae42022+0%1973
Eastern PhoebeTyrannidae42024+333%1975
Chimney SwiftApodidae32024-70%1973
Great Crested FlycatcherTyrannidae32024+17%1973
Baltimore OrioleIcteridae32024-40%1973
American GoldfinchFringillidae32024-47%1973
Rose-breasted GrosbeakCardinalidae32024+40%1974

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