BirdAnalyst
BBS Route · Illinois · BCR 22

Harristown Bird Survey Route

A standard 50-stop Breeding Bird Survey route. 68 species recorded across 15 survey years, still active.

68Species 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 →
15Years SurveyedYears surveyedNumber of years with at least one standard-protocol run in this geography. A longer record makes the trend more reliable.Full methodology →
2001–2024Span
4Observers

Bird Species Found on Illinois Harristown

Top 40 of 68 species by most recent count. Each links to its species trend.

Species recorded on the Harristown 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
Red-winged BlackbirdIcteridae2192024-23%2007
American RobinTurdidae1332024+49%2007
Mourning DoveColumbidae822024-8%2007
European StarlingSturnidae792024-74%2007
DickcisselCardinalidae582024+122%2008
House SparrowPasseridae492024-52%2007
Brown-headed CowbirdIcteridae372024+63%2007
KilldeerCharadriidae332024+34%2008
Eastern MeadowlarkIcteridae242024+86%2007
Cliff SwallowHirundinidae192024+36%2017
Northern House WrenTroglodytidae182024+300%2007
Chipping SparrowPasserellidae172024+21%2007
Northern CardinalCardinalidae172024+53%2007
Northern BobwhiteOdontophoridae172024-19%2008
American GoldfinchFringillidae162024+106%2007
Rock PigeonColumbidae152023+150%2007
Ring-necked PheasantPhasianidae112024+118%2007
House FinchFringillidae102024+73%2007
American CrowCorvidae92024+107%2007
Savannah SparrowPasserellidae92019+800%2018
Barn SwallowHirundinidae82024-66%2007
Indigo BuntingCardinalidae82024+4%2008
Horned LarkAlaudidae72024-90%2007
Common GrackleIcteridae72024-91%2007
Purple MartinHirundinidae72024+100%2008
Song SparrowPasserellidae52024-53%2007
Common YellowthroatParulidae52024+157%2008
Eurasian Collared-DoveColumbidae42023+186%2007
Chimney SwiftApodidae32024-39%2007
Vesper SparrowPasserellidae32024-33%2008
MallardAnatidae32021+50%2018
Cedar WaxwingBombycillidae22023-33%2001
Red-bellied WoodpeckerPicidae22023+50%2008
Eastern KingbirdTyrannidae22024+33%2014
Gray CatbirdMimidae22024+50%2021
Upland SandpiperScolopacidae22017+100%2016
Great Blue HeronArdeidae12024+0%2014
Red-tailed HawkAccipitridae12024-40%2009
American KestrelFalconidae12024-33%2007
Great Horned OwlStrigidae12017+0%2001

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