BirdAnalyst
BBS Route · Illinois · BCR 22

St Morgan Bird Survey Route

A standard 50-stop Breeding Bird Survey route. 105 species recorded across 45 survey years, no longer active.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 →
1967–2022Span
5Observers

Bird Species Found on Illinois St Morgan

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

Species recorded on the St Morgan 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 StarlingSturnidae1382022-30%1969
House SparrowPasseridae812022-75%1969
American RobinTurdidae622022+3%1969
Red-winged BlackbirdIcteridae542022-58%1969
Northern CardinalCardinalidae522022+20%1969
Mourning DoveColumbidae482022-23%1969
Song SparrowPasserellidae332022+9%1969
Indigo BuntingCardinalidae302022+30%1969
DickcisselCardinalidae282022+2%1969
Red-bellied WoodpeckerPicidae262022+346%1969
Chimney SwiftApodidae232022-7%1969
Brown-headed CowbirdIcteridae232022+294%1969
American CrowCorvidae222022-40%1969
Chipping SparrowPasserellidae202022+446%1984
Barn SwallowHirundinidae182022-43%1969
KilldeerCharadriidae172022+331%1969
Horned LarkAlaudidae162022-9%1969
Eastern Wood-PeweeTyrannidae132022+333%1969
Common GrackleIcteridae132022-91%1969
Northern House WrenTroglodytidae132022-29%1969
Tufted TitmouseParidae122022+371%1969
Carolina WrenTroglodytidae112022+218%1970
Blue JayCorvidae102022-11%1969
Carolina ChickadeeParidae102022+343%1969
Cedar WaxwingBombycillidae92022+200%1993
Eurasian Collared-DoveColumbidae92022+130%2012
Downy WoodpeckerPicidae72022+340%1969
Warbling VireoVireonidae72022+100%1969
Brown ThrasherMimidae72022-15%1969
Great Crested FlycatcherTyrannidae72022+417%1972
White-breasted NuthatchSittidae72022+275%1985
Purple MartinHirundinidae62022+19%1969
Eastern BluebirdTurdidae62022+200%1983
Blue GrosbeakCardinalidae62022+533%1993
Rock PigeonColumbidae52016-42%1969
Eastern KingbirdTyrannidae52022-25%1971
Acadian FlycatcherTyrannidae52022+180%1969
Eastern TowheePasserellidae52022+8%1969
Common YellowthroatParulidae52022-50%1969
American RedstartParulidae52022+200%1970

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