BirdAnalyst
BBS Route · Illinois · BCR 22

Mascoutah Lk Bird Survey Route

A standard 50-stop Breeding Bird Survey route. 112 species recorded across 55 survey years, still active.

112Species 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 →
55Years SurveyedYears surveyedNumber of years with at least one standard-protocol run in this geography. A longer record makes the trend more reliable.Full methodology →
1967–2024Span
5Observers

Bird Species Found on Illinois Mascoutah Lk

Top 40 of 112 species by most recent count. Each links to its species trend.

Species recorded on the Mascoutah Lk 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 BlackbirdIcteridae712024-38%1969
European StarlingSturnidae652024+45%1969
Mourning DoveColumbidae492024+13%1969
Northern CardinalCardinalidae462024+43%1969
American RobinTurdidae452024+164%1969
American CrowCorvidae392024+94%1969
Indigo BuntingCardinalidae362024+94%1969
Barn SwallowHirundinidae352024+4%1969
Tufted TitmouseParidae28202412×1970
DickcisselCardinalidae262024-46%1969
Red-bellied WoodpeckerPicidae202024+325%1969
Common GrackleIcteridae192024-79%1969
Purple MartinHirundinidae192024+500%1969
Song SparrowPasserellidae172024+92%1969
Turkey VultureCathartidae172024+800%2007
Horned LarkAlaudidae162024+6%1969
House SparrowPasseridae152024-92%1969
Yellow-billed CuckooCuculidae142024+56%1969
Cedar WaxwingBombycillidae142021+133%1998
Eastern MeadowlarkIcteridae132024-82%1969
Rock PigeonColumbidae122024-22%1970
Carolina WrenTroglodytidae122024+100%1972
KilldeerCharadriidae112024+491%1969
Canada GooseAnatidae112024+214%1988
Chimney SwiftApodidae102024-46%1969
Great Crested FlycatcherTyrannidae102024+338%1978
Blue JayCorvidae92024+167%1969
Common YellowthroatParulidae92024+500%1972
Brown ThrasherMimidae82024+107%1969
Blue GrosbeakCardinalidae82024+144%2007
Sedge WrenTroglodytidae82013+700%2008
Northern BobwhiteOdontophoridae72023-90%1969
Eastern TowheePasserellidae72024+275%1970
Eastern Wood-PeweeTyrannidae72024+250%1979
Red-headed WoodpeckerPicidae62024-55%1969
Brown-headed CowbirdIcteridae62024+170%1969
Northern House WrenTroglodytidae62024+333%1976
Eastern BluebirdTurdidae62024+229%1990
Red-eyed VireoVireonidae62024+325%1979
Pileated WoodpeckerPicidae62024+320%1987

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