BirdAnalyst
BBS Route · Illinois · BCR 22

Itasca Bird Survey Route

A standard 50-stop Breeding Bird Survey route. 84 species recorded across 46 survey years, still active.

84Species 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 →
46Years 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
9Observers

Bird Species Found on Illinois Itasca

Top 40 of 84 species by most recent count. Each links to its species trend.

Species recorded on the Itasca 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
House SparrowPasseridae2932025+1%1971
American RobinTurdidae1242025+45%1971
Ring-billed GullLaridae115202511×1990
Chimney SwiftApodidae792025+700%1971
European StarlingSturnidae562025-35%1971
Rock PigeonColumbidae512025+438%1971
Common GrackleIcteridae442025-70%1971
Northern CardinalCardinalidae342025+264%1971
Mourning DoveColumbidae332025+384%1971
Red-winged BlackbirdIcteridae232025+237%1971
House FinchFringillidae192025+163%1990
Brown-headed CowbirdIcteridae162025+500%1973
American GoldfinchFringillidae132025+780%1977
Blue-winged TealAnatidae101973n/an/a
Canada GooseAnatidae72025+8%1989
Blue JayCorvidae62025-61%1971
American CrowCorvidae52025-66%1971
Barn SwallowHirundinidae52025+75%1977
Herring GullLaridae52025+633%1990
Baltimore OrioleIcteridae42025+120%1979
Downy WoodpeckerPicidae32025-20%1973
Northern House WrenTroglodytidae32025-50%1973
Red-eyed VireoVireonidae32025+267%1974
MallardAnatidae32025-69%1976
KilldeerCharadriidae32025+29%1976
Cedar WaxwingBombycillidae32025+614%1979
Red-bellied WoodpeckerPicidae32025+20%2022
Chipping SparrowPasserellidae22024-8%1971
Great Crested FlycatcherTyrannidae22022+25%1976
Eastern MeadowlarkIcteridae21988-25%1973
American KestrelFalconidae22019+0%1980
Hairy WoodpeckerPicidae22025+33%2018
BobolinkIcteridae21987n/an/a
Warbling VireoVireonidae22025-20%1994
Cliff SwallowHirundinidae22025n/an/a
Eastern Wood-PeweeTyrannidae12022+0%1976
Western MeadowlarkIcteridae12013+0%1966
Song SparrowPasserellidae12024-64%1971
DickcisselCardinalidae11999-50%1966
Purple MartinHirundinidae12012-65%1973

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