BirdAnalyst
BBS Route · Illinois · BCR 22

Mt Vernon Bird Survey Route

A standard 50-stop Breeding Bird Survey route. 103 species recorded across 44 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 →
44Years 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
8Observers

Bird Species Found on Illinois Mt Vernon

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

Species recorded on the Mt Vernon 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
European StarlingSturnidae170202434×1973
Northern CardinalCardinalidae752024+125%1973
American CrowCorvidae53202416×1975
Tufted TitmouseParidae492024+357%1973
Red-winged BlackbirdIcteridae482024-55%1973
Indigo BuntingCardinalidae462024-14%1973
Mourning DoveColumbidae302024+96%1973
House SparrowPasseridae302024-70%1973
Rock PigeonColumbidae282022+520%1977
Song SparrowPasserellidae212024-7%1973
Brown-headed CowbirdIcteridae202024+61%1974
Chipping SparrowPasserellidae162024+486%1980
American RobinTurdidae152024-18%1973
Common YellowthroatParulidae142024-21%1973
Carolina WrenTroglodytidae142024+86%1973
Carolina ChickadeeParidae142024+350%1973
Blue GrosbeakCardinalidae14202413×1980
Northern BobwhiteOdontophoridae132024+23%1973
Red-bellied WoodpeckerPicidae132024+290%1974
Blue JayCorvidae122024+25%1973
Barn SwallowHirundinidae122024+4%1973
Northern MockingbirdMimidae122024-22%1973
House FinchFringillidae112024+138%1992
Bank SwallowHirundinidae101980n/an/a
Eastern MeadowlarkIcteridae92024-85%1973
Field SparrowPasserellidae92024-67%1973
American GoldfinchFringillidae92024+125%1975
Blue-gray GnatcatcherPolioptilidae92024+475%1987
KilldeerCharadriidae82024+200%1973
Eastern PhoebeTyrannidae82024+40%1973
DickcisselCardinalidae82024-44%1973
Great EgretArdeidae82006+167%1997
Wild TurkeyPhasianidae82014+233%2003
Red-shouldered HawkAccipitridae72024+475%2012
Yellow-billed CuckooCuculidae62024-6%1973
Yellow-breasted ChatIcteriidae62024+63%1973
Northern House WrenTroglodytidae62024+25%1974
Eastern BluebirdTurdidae62024+5%1973
Chimney SwiftApodidae62022-62%1974
White-breasted NuthatchSittidae62024+325%1979

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