BirdAnalyst
BBS Route · Illinois · BCR 24

Belknap Bird Survey Route

A standard 50-stop Breeding Bird Survey route. 108 species recorded across 53 survey years, still active.

108Species Recorded
53Years Surveyed
1970–2024Span
2Observers

Bird Species Found on Illinois Belknap

Top 40 of 108 species by most recent count. Each links to its species trend.

Species recorded on the Belknap route.
History
Northern CardinalCardinalidae1062024+51%1972
Indigo BuntingCardinalidae972024+134%1972
American CrowCorvidae812024+159%1972
Mourning DoveColumbidae442024-66%1972
Common YellowthroatParulidae442024+142%1972
Barn SwallowHirundinidae392024-53%1972
Eastern BluebirdTurdidae322024+69%1972
European StarlingSturnidae312024-78%1972
Tufted TitmouseParidae312024+126%1972
Field SparrowPasserellidae302024+103%1972
Carolina WrenTroglodytidae252024+311%1972
American RobinTurdidae242024-18%1972
Brown-headed CowbirdIcteridae232024+63%1972
Yellow-breasted ChatIcteriidae222024+82%1972
Yellow-billed CuckooCuculidae212024-32%1972
Great Crested FlycatcherTyrannidae212024+14%1972
Purple MartinHirundinidae202024+75%1975
White-eyed VireoVireonidae192024+271%1972
Red-bellied WoodpeckerPicidae182024-43%1972
Eastern MeadowlarkIcteridae152024-85%1972
Wood ThrushTurdidae152024+21%1972
Cliff SwallowHirundinidae152024+825%2000
DickcisselCardinalidae142024+19%1972
Eastern Wood-PeweeTyrannidae132024-26%1972
Red-winged BlackbirdIcteridae132024-78%1972
Carolina ChickadeeParidae132024+333%1972
Northern ParulaParulidae13202412×1992
Eastern TowheePasserellidae122024-22%1972
Chipping SparrowPasserellidae112024+79%1972
Blue GrosbeakCardinalidae112024+111%1973
Common GrackleIcteridae102024-95%1972
Blue JayCorvidae92024-48%1972
Northern MockingbirdMimidae92024-78%1972
Blue-gray GnatcatcherPolioptilidae92024+950%1975
Little Blue HeronArdeidae92011n/an/a
Eastern KingbirdTyrannidae82024-33%1972
Eastern PhoebeTyrannidae82024+156%1972
American GoldfinchFringillidae72024+23%1973
Summer TanagerCardinalidae72024+300%1973
Turkey VultureCathartidae72024-60%1976

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