BirdAnalyst
BBS Route · Illinois · BCR 22

Fairbury Bird Survey Route

A standard 50-stop Breeding Bird Survey route. 83 species recorded across 47 survey years, still active.

83Species 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 →
47Years SurveyedYears surveyedNumber of years with at least one standard-protocol run in this geography. A longer record makes the trend more reliable.Full methodology →
1976–2025Span
4Observers

Bird Species Found on Illinois Fairbury

Top 40 of 83 species by most recent count. Each links to its species trend.

Species recorded on the Fairbury 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
Common GrackleIcteridae1332025+102%1978
American RobinTurdidae992025+374%1978
Red-winged BlackbirdIcteridae982025+5%1978
DickcisselCardinalidae622025+587%1978
European StarlingSturnidae602025+57%1978
House SparrowPasseridae482025-79%1978
Brown-headed CowbirdIcteridae47202520×1978
Mourning DoveColumbidae442025+297%1978
Canada GooseAnatidae422022+4%2010
Eastern MeadowlarkIcteridae332025+82%1978
Barn SwallowHirundinidae292025+494%1978
Ring-necked PheasantPhasianidae272025+28%1978
Cliff SwallowHirundinidae262025+200%2008
KilldeerCharadriidae252025+539%1978
American GoldfinchFringillidae242025+175%1978
Horned LarkAlaudidae172025-82%1978
Vesper SparrowPasserellidae162025+7%1978
American CrowCorvidae152025+66%1978
Chipping SparrowPasserellidae152025+600%1988
Field SparrowPasserellidae142025+329%1979
Northern House WrenTroglodytidae142025+223%1978
Northern CardinalCardinalidae122025+329%1978
Rock PigeonColumbidae112025+438%1978
Common YellowthroatParulidae112025+68%1978
Eastern KingbirdTyrannidae82025+567%1978
Song SparrowPasserellidae82025-27%1978
Indigo BuntingCardinalidae82025+62%1978
Eurasian Collared-DoveColumbidae82025+325%2013
Eastern PhoebeTyrannidae62025+125%2005
Eastern BluebirdTurdidae62025+50%2000
Great Blue HeronArdeidae62024+200%1999
House FinchFringillidae62025+220%1994
Cedar WaxwingBombycillidae62025+100%2001
Gray CatbirdMimidae52025+200%1984
Tree SwallowHirundinidae52025+567%2017
Western MeadowlarkIcteridae42004+0%1979
Red-tailed HawkAccipitridae42025+200%1990
MallardAnatidae42016+0%1992
Grasshopper SparrowPasserellidae32024-14%1980
Blue JayCorvidae32025+31%1980

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