BirdAnalyst
BBS Route · Illinois · BCR 22

Belleview Bird Survey Route

A standard 50-stop Breeding Bird Survey route. 119 species recorded across 44 survey years, still active.

119Species 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 →
1966–2025Span
4Observers

Bird Species Found on Illinois Belleview

Top 40 of 119 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 BuntingCardinalidae1022025+190%1968
Brown-headed CowbirdIcteridae942025+555%1968
Red-winged BlackbirdIcteridae932025+80%1968
American RobinTurdidae812025+700%1968
Barn SwallowHirundinidae752025+445%1968
Northern CardinalCardinalidae662025+108%1968
Mourning DoveColumbidae492025+26%1968
Canada GooseAnatidae442025+960%1997
European StarlingSturnidae422025+366%1968
Eastern Wood-PeweeTyrannidae37202513×1968
Cliff SwallowHirundinidae372025+990%1997
Great EgretArdeidae362024+644%1974
House SparrowPasseridae362025-51%1968
Turkey VultureCathartidae32202521×1988
Common YellowthroatParulidae312025+561%1968
Chipping SparrowPasserellidae28202513×1968
Orchard OrioleIcteridae272025+557%1969
American GoldfinchFringillidae27202511×1969
Gray CatbirdMimidae27202515×1969
DickcisselCardinalidae262025-19%1968
Warbling VireoVireonidae262025+241%1968
Acadian FlycatcherTyrannidae24202517×1975
Carolina WrenTroglodytidae242025+219%1968
Cedar WaxwingBombycillidae232025+700%1997
Blue-gray GnatcatcherPolioptilidae222025+833%1968
Red-bellied WoodpeckerPicidae212025+162%1968
Northern BobwhiteOdontophoridae202025-35%1968
Song SparrowPasserellidae202025+371%1968
Tufted TitmouseParidae202025+439%1968
Common GrackleIcteridae192025-57%1968
Yellow WarblerParulidae192025+820%1987
Red-headed WoodpeckerPicidae182025+443%1968
Wood DuckAnatidae172025+139%1968
KilldeerCharadriidae142025+557%1968
American CrowCorvidae142025-35%1968
Red-eyed VireoVireonidae142025+386%1974
Wood ThrushTurdidae142025+660%1977
Yellow-breasted ChatIcteriidae132025+135%1968
Northern ParulaParulidae13202512×1969
Yellow-billed CuckooCuculidae122025+42%1968

Source: USGS North American Breeding Bird Survey, retrieved 2026-08-14. A route is a sample, not a census.