BirdAnalyst
BBS Route · Illinois · BCR 22

Robinson Bird Survey Route

A standard 50-stop Breeding Bird Survey route. 91 species recorded across 41 survey years, still active.

91Species 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 →
41Years SurveyedYears surveyedNumber of years with at least one standard-protocol run in this geography. A longer record makes the trend more reliable.Full methodology →
1970–2023Span
6Observers

Bird Species Found on Illinois Robinson

Top 40 of 91 species by most recent count. Each links to its species trend.

Species recorded on the Robinson 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 BlackbirdIcteridae852023-28%1972
European StarlingSturnidae712023+210%1972
Indigo BuntingCardinalidae492023+29%1972
Mourning DoveColumbidae482023+84%1972
Song SparrowPasserellidae422023-7%1972
Barn SwallowHirundinidae352023+374%1972
American RobinTurdidae352023-3%1972
Northern CardinalCardinalidae332023+24%1972
American CrowCorvidae312023+793%1972
House SparrowPasseridae302023-77%1972
Eastern MeadowlarkIcteridae282023-8%1972
DickcisselCardinalidae272023+259%1972
KilldeerCharadriidae25202311×1973
Red-headed WoodpeckerPicidae212023+255%1972
Chipping SparrowPasserellidae21202328×1981
Common YellowthroatParulidae202023+375%1972
Turkey VultureCathartidae19202341×1981
Purple MartinHirundinidae182023+207%1972
Field SparrowPasserellidae172023+55%1972
Horned LarkAlaudidae152023+267%1972
Common GrackleIcteridae152023-86%1972
Northern House WrenTroglodytidae152023+775%1973
Brown-headed CowbirdIcteridae142023+377%1975
Northern BobwhiteOdontophoridae122023-36%1972
Blue-gray GnatcatcherPolioptilidae122023+400%2003
Tufted TitmouseParidae112023+71%1972
Eastern Wood-PeweeTyrannidae102023+567%1972
Eastern PhoebeTyrannidae102023+433%1979
Yellow-breasted ChatIcteriidae82023+220%1972
Blue GrosbeakCardinalidae82023+700%2021
Great Crested FlycatcherTyrannidae62023+100%1972
Eastern BluebirdTurdidae62023+71%1973
Warbling VireoVireonidae62023+400%1976
Rock PigeonColumbidae52008+9%1977
Wood ThrushTurdidae52023+160%1973
Savannah SparrowPasserellidae52023+400%2022
Willow FlycatcherTyrannidae42023+150%1978
Orchard OrioleIcteridae42023+33%1973
Brown ThrasherMimidae42023-50%1972
Gray CatbirdMimidae42023+375%1975

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