BBS Route · Illinois · BCR 22

Humboldt Bird Survey Route

A standard 50-stop Breeding Bird Survey route. 98 species recorded across 53 survey years, still active.

98Species Recorded
53Years Surveyed
19702024Span
7Observers

Bird Species Found on Illinois Humboldt

Top 40 of 98 species by most recent count. Each links to its species trend.

Species recorded on the Humboldt route.
History
House SparrowPasseridae912024-60%1972
Rock PigeonColumbidae742024+55%1972
American RobinTurdidae642024+261%1972
European StarlingSturnidae582024+10%1972
Red-winged BlackbirdIcteridae502024-5%1972
DickcisselCardinalidae502024+36%1972
American GoldfinchFringillidae422024+162%1972
Barn SwallowHirundinidae412024+16%1972
Northern CardinalCardinalidae362024+104%1972
Mourning DoveColumbidae302024+36%1972
Indigo BuntingCardinalidae302024+339%1972
Song SparrowPasserellidae272024+106%1972
Chipping SparrowPasserellidae272024+856%1988
American CrowCorvidae262024-42%1972
Common YellowthroatParulidae232024+377%1972
Brown-headed CowbirdIcteridae212024+720%1972
Purple MartinHirundinidae192024+94%1988
KilldeerCharadriidae152024+380%1973
Common GrackleIcteridae142024-84%1972
Eastern MeadowlarkIcteridae122024-75%1972
Turkey VultureCathartidae122024+333%2014
Northern House WrenTroglodytidae8202418×1976
Chimney SwiftApodidae62022-8%1972
Field SparrowPasserellidae62024-20%1972
Warbling VireoVireonidae62024+367%1977
Blue GrosbeakCardinalidae62024+38%2018
Cliff SwallowHirundinidae62024+0%2014
Horned LarkAlaudidae52024-80%1972
Blue JayCorvidae52024-9%1972
Great Horned OwlStrigidae52019+100%1984
Red-tailed HawkAccipitridae52024+267%1990
White-breasted NuthatchSittidae52024+160%2004
Great Blue HeronArdeidae52022+50%1995
Baltimore OrioleIcteridae42021+175%1975
Wood ThrushTurdidae42022+13%2005
Eurasian Collared-DoveColumbidae42024+0%2016
Barred OwlStrigidae42019n/an/a
Northern BobwhiteOdontophoridae32015-92%1972
Ring-necked PheasantPhasianidae32024-93%1972
Yellow-billed CuckooCuculidae32021-46%1973

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