BirdAnalyst
BBS Route · Illinois · BCR 22

Athensville Bird Survey Route

A standard 50-stop Breeding Bird Survey route. 106 species recorded across 46 survey years, still active.

106Species 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 →
46Years SurveyedYears surveyedNumber of years with at least one standard-protocol run in this geography. A longer record makes the trend more reliable.Full methodology →
1971–2025Span
6Observers

Bird Species Found on Illinois Athensville

Top 40 of 106 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
Red-winged BlackbirdIcteridae932025-8%1973
American RobinTurdidae722025+189%1973
European StarlingSturnidae632025+147%1973
Indigo BuntingCardinalidae522025+81%1973
Canada GooseAnatidae462025+550%1997
Barn SwallowHirundinidae442025+206%1973
Northern CardinalCardinalidae412025+88%1973
KilldeerCharadriidae352025+950%1973
Mourning DoveColumbidae302025+13%1973
Northern BobwhiteOdontophoridae272025-45%1973
Red-headed WoodpeckerPicidae262025+206%1973
DickcisselCardinalidae262025-63%1973
Purple MartinHirundinidae242025+346%1973
Red-bellied WoodpeckerPicidae222025+287%1973
Common YellowthroatParulidae222025+86%1973
Song SparrowPasserellidae212025-3%1973
American CrowCorvidae182025+42%1973
Brown-headed CowbirdIcteridae182025+27%1973
House SparrowPasseridae182025-90%1973
Eastern Wood-PeweeTyrannidae172025+223%1973
Gray CatbirdMimidae152025+338%1973
Common GrackleIcteridae142025-84%1973
Warbling VireoVireonidae142025+440%1973
Chipping SparrowPasserellidae142025+925%1983
Eastern KingbirdTyrannidae132025+15%1973
Horned LarkAlaudidae112025-73%1973
Turkey VultureCathartidae112025+59%1999
Eastern MeadowlarkIcteridae102025-84%1973
Downy WoodpeckerPicidae72025+225%1974
Great Crested FlycatcherTyrannidae72025+25%1973
Northern House WrenTroglodytidae72025+240%1974
Tufted TitmouseParidae72025-12%1973
Eastern BluebirdTurdidae72025+100%1973
Brown ThrasherMimidae62025-12%1973
Blue JayCorvidae52025+19%1973
Blue-gray GnatcatcherPolioptilidae52025+13%1974
Red-tailed HawkAccipitridae52025+125%1980
American GoldfinchFringillidae42025-42%1973
Cedar WaxwingBombycillidae42025+0%1997
Carolina WrenTroglodytidae42025+10%1975

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