BirdAnalyst
BBS Route · Illinois · BCR 22

Geneseo Bird Survey Route

A standard 50-stop Breeding Bird Survey route. 115 species recorded across 48 survey years, still active.

115Species 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 →
48Years SurveyedYears surveyedNumber of years with at least one standard-protocol run in this geography. A longer record makes the trend more reliable.Full methodology →
1967–2025Span
7Observers

Bird Species Found on Illinois Geneseo

Top 40 of 115 species by most recent count. Each links to its species trend.

Species recorded on the Geneseo 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 BlackbirdIcteridae1172025-47%1969
American RobinTurdidae852025+29%1969
House SparrowPasseridae742025-87%1969
Canada GooseAnatidae50202521×1989
Barn SwallowHirundinidae472025+114%1969
Cliff SwallowHirundinidae472025+391%1990
European StarlingSturnidae432025-72%1969
Brown-headed CowbirdIcteridae312025+62%1969
Song SparrowPasserellidae292025+70%1969
KilldeerCharadriidae262025+671%1970
Indigo BuntingCardinalidae262025-23%1969
Northern CardinalCardinalidae212025+25%1969
Northern House WrenTroglodytidae212025-62%1969
Mourning DoveColumbidae182025-60%1969
Chipping SparrowPasserellidae182025+975%1976
DickcisselCardinalidae172025-57%1969
American GoldfinchFringillidae132025-72%1969
Warbling VireoVireonidae132025-24%1969
Common GrackleIcteridae122025-82%1969
Tree SwallowHirundinidae122025+150%1972
Cedar WaxwingBombycillidae122025+182%1980
Red-bellied WoodpeckerPicidae112025+180%1972
American CrowCorvidae102025-36%1969
Eastern MeadowlarkIcteridae102025-90%1969
Turkey VultureCathartidae102017+300%2000
Eastern KingbirdTyrannidae82025+17%1969
Common YellowthroatParulidae82025-64%1969
Eastern Wood-PeweeTyrannidae72025+50%1969
Gray CatbirdMimidae72025+35%1969
Rock PigeonColumbidae62025-23%1969
Baltimore OrioleIcteridae62025-35%1969
Field SparrowPasserellidae62021-62%1969
Northern Rough-winged SwallowHirundinidae62025+367%1974
Black-capped ChickadeeParidae62021+17%1970
Ring-billed GullLaridae61998n/an/a
Eurasian Collared-DoveColumbidae62025+500%2017
Great Crested FlycatcherTyrannidae52025+80%1971
Downy WoodpeckerPicidae42025+120%1969
American RedstartParulidae42025-37%1970
White-breasted NuthatchSittidae42017+60%1971

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