BBS Route · Illinois · BCR 22

Monica Bird Survey Route

A standard 50-stop Breeding Bird Survey route. 100 species recorded across 44 survey years, still active.

100Species Recorded
44Years Surveyed
19732019Span
7Observers

Bird Species Found on Illinois Monica

Top 40 of 100 species by most recent count. Each links to its species trend.

Species recorded on the Monica route.
History
DickcisselCardinalidae252019+37%1975
American RobinTurdidae192019+186%1975
Cliff SwallowHirundinidae19201925×1993
Red-winged BlackbirdIcteridae172019-31%1975
Barn SwallowHirundinidae172019+167%1975
Northern House WrenTroglodytidae142019+240%1975
American CrowCorvidae132019+49%1975
Indigo BuntingCardinalidae132019+0%1975
Common YellowthroatParulidae122019-5%1975
Gray CatbirdMimidae12201911×1975
Mourning DoveColumbidae102019+57%1975
Turkey VultureCathartidae102017+17%2008
Eastern MeadowlarkIcteridae92019-22%1975
Chipping SparrowPasserellidae8201913×1981
Song SparrowPasserellidae82019-39%1975
House SparrowPasseridae82019-86%1975
Great Crested FlycatcherTyrannidae72016+367%1980
Downy WoodpeckerPicidae72016+300%1977
BobolinkIcteridae72017-17%1979
Canada GooseAnatidae62008-44%1975
European StarlingSturnidae62019-31%1975
Northern CardinalCardinalidae62019+45%1975
Eastern KingbirdTyrannidae52019+38%1975
Horned LarkAlaudidae52019-86%1975
American GoldfinchFringillidae52019+50%1975
Cedar WaxwingBombycillidae52019+280%1985
Red-tailed HawkAccipitridae52017+233%1985
Baltimore OrioleIcteridae42017+188%1979
Common GrackleIcteridae42019+5%1975
KilldeerCharadriidae32019+380%1976
Northern BobwhiteOdontophoridae32019-95%1975
Brown-headed CowbirdIcteridae32019+258%1975
Field SparrowPasserellidae32019-30%1975
American KestrelFalconidae32019+25%1982
Yellow-billed CuckooCuculidae22019-46%1978
Chimney SwiftApodidae22019-8%1975
Blue JayCorvidae22019+107%1975
Grasshopper SparrowPasserellidae22011-60%1975
Northern Rough-winged SwallowHirundinidae22016+0%1983
Warbling VireoVireonidae22019+67%2000

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