BirdAnalyst
BBS Route · Illinois · BCR 22

Flora Bird Survey Route

A standard 50-stop Breeding Bird Survey route. 103 species recorded across 40 survey years, still active.

103Species 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 →
40Years SurveyedYears surveyedNumber of years with at least one standard-protocol run in this geography. A longer record makes the trend more reliable.Full methodology →
1976–2024Span
3Observers

Bird Species Found on Illinois Flora

Top 40 of 103 species by most recent count. Each links to its species trend.

Species recorded on the Flora 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 CrowCorvidae1092024+667%1978
Red-winged BlackbirdIcteridae722024-72%1978
European StarlingSturnidae652024+0%1978
House SparrowPasseridae442024-61%1978
Mourning DoveColumbidae362024+3%1978
Canada GooseAnatidae322017+429%2004
Barn SwallowHirundinidae282024+42%1978
Indigo BuntingCardinalidae272024+10%1978
Common GrackleIcteridae182024-81%1978
Northern CardinalCardinalidae172024-13%1978
American RobinTurdidae152024+44%1978
Common YellowthroatParulidae142024-30%1978
Brown ThrasherMimidae142022+10%1978
Eastern BluebirdTurdidae142024+343%1983
Blue GrosbeakCardinalidae12202411×1993
KilldeerCharadriidae112024+147%1978
Northern BobwhiteOdontophoridae82024-63%1978
Song SparrowPasserellidae82024-26%1978
DickcisselCardinalidae72024+8%1978
American KestrelFalconidae62024+80%1978
Eastern KingbirdTyrannidae62024+12%1978
Eastern Wood-PeweeTyrannidae52024+22%1978
Field SparrowPasserellidae52024-83%1978
Northern House WrenTroglodytidae52024-46%1978
Rock PigeonColumbidae52024+129%1979
Great Blue HeronArdeidae52024+60%2001
Horned LarkAlaudidae42024-70%1978
Eastern MeadowlarkIcteridae42024-86%1978
Chipping SparrowPasserellidae42024+433%1982
Tufted TitmouseParidae42023+180%1978
Cliff SwallowHirundinidae42024n/an/a
Wood DuckAnatidae32024+100%1983
Brown-headed CowbirdIcteridae32024+10%1978
Carolina WrenTroglodytidae32024+13%1983
House FinchFringillidae32023-22%1994
Ring-necked PheasantPhasianidae32002-29%1996
Double-crested CormorantPhalacrocoracidae31995n/an/a
Willow FlycatcherTyrannidae32002+100%1998
Pileated WoodpeckerPicidae32022+50%2015
Red-tailed HawkAccipitridae22023+0%1979

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