BirdAnalyst
BBS Route · Illinois · BCR 22

Belleview Bird Survey Route

A standard 50-stop Breeding Bird Survey route. 118 species recorded across 43 survey years, still active.

118Species 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 →
43Years SurveyedYears surveyedNumber of years with at least one standard-protocol run in this geography. A longer record makes the trend more reliable.Full methodology →
1966–2024Span
4Observers

Bird Species Found on Illinois Belleview

Top 40 of 118 species by most recent count. Each links to its species trend.

Species recorded on the Belleview 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
Indigo BuntingCardinalidae1022024+202%1968
Barn SwallowHirundinidae952024+535%1968
Brown-headed CowbirdIcteridae822024+507%1968
Red-winged BlackbirdIcteridae802024+96%1968
Common GrackleIcteridae792024-45%1968
Mourning DoveColumbidae742024+43%1968
American RobinTurdidae722024+742%1968
Northern CardinalCardinalidae682024+122%1968
European StarlingSturnidae612024+329%1968
Cliff SwallowHirundinidae61202412×1997
Turkey VultureCathartidae49202421×1988
House SparrowPasseridae402024-48%1968
Great EgretArdeidae362024+644%1974
Eastern Wood-PeweeTyrannidae36202416×1968
Warbling VireoVireonidae342024+228%1968
Common YellowthroatParulidae342024+594%1968
Gray CatbirdMimidae31202416×1969
Northern BobwhiteOdontophoridae302024-33%1968
Red-bellied WoodpeckerPicidae302024+168%1968
Tufted TitmouseParidae262024+544%1968
Chipping SparrowPasserellidae24202415×1968
American GoldfinchFringillidae22202412×1969
DickcisselCardinalidae222024-23%1968
Yellow-billed CuckooCuculidae202024+73%1968
Red-headed WoodpeckerPicidae202024+471%1968
Acadian FlycatcherTyrannidae20202415×1975
Canada GooseAnatidae202024+570%1997
Great Crested FlycatcherTyrannidae182024+400%1968
Carolina WrenTroglodytidae182024+144%1968
Blue-gray GnatcatcherPolioptilidae162024+878%1968
Song SparrowPasserellidae152024+314%1968
Yellow-breasted ChatIcteriidae152024+175%1968
Black-capped ChickadeeParidae152024+262%1968
Yellow WarblerParulidae152024+520%1987
Purple MartinHirundinidae142024+300%1970
Orchard OrioleIcteridae132024+529%1969
Brown ThrasherMimidae132024+517%1968
Field SparrowPasserellidae122024+34%1968
Blue GrosbeakCardinalidae122024+675%1972
Wood ThrushTurdidae122024+540%1977

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