BirdAnalyst
BBS Route · Illinois · BCR 24

York Bird Survey Route

A standard 50-stop Breeding Bird Survey route. 103 species recorded across 30 survey years, still active.

103Species 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 →
30Years SurveyedYears surveyedNumber of years with at least one standard-protocol run in this geography. A longer record makes the trend more reliable.Full methodology →
1993–2025Span
4Observers

Bird Species Found on Illinois York

Top 40 of 103 species by most recent count. Each links to its species trend.

Species recorded on the York 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 BlackbirdIcteridae3012025+113%1995
European StarlingSturnidae1402025+197%1995
House SparrowPasseridae1002025+219%1995
Horned LarkAlaudidae812025+207%1995
Chipping SparrowPasserellidae592025+318%1995
American CrowCorvidae582025+610%1995
Mourning DoveColumbidae572025+80%1995
American GoldfinchFringillidae502025+269%1995
Indigo BuntingCardinalidae452025+112%1995
DickcisselCardinalidae38202516×1995
Northern CardinalCardinalidae352025+43%1995
Tufted TitmouseParidae312025+395%1995
American RobinTurdidae302025+8%1995
Cedar WaxwingBombycillidae292025+417%2003
Brown-headed CowbirdIcteridae272025+98%1995
Song SparrowPasserellidae272025+13%1995
Common YellowthroatParulidae232025+185%1995
Turkey VultureCathartidae222025+267%1995
Barn SwallowHirundinidae222025+175%1995
Common GrackleIcteridae202025-60%1995
Wood ThrushTurdidae192025+363%2000
Eastern Wood-PeweeTyrannidae162025+663%1996
Carolina WrenTroglodytidae152025+850%2000
Canada GooseAnatidae152025+28%1999
Purple MartinHirundinidae142025+138%2004
Warbling VireoVireonidae132025+227%2000
Eastern MeadowlarkIcteridae112025+14%1995
Red-bellied WoodpeckerPicidae102025+156%1995
Acadian FlycatcherTyrannidae102025+675%1996
Red-headed WoodpeckerPicidae92025+157%1995
Eastern PhoebeTyrannidae92025+450%2005
Eastern BluebirdTurdidae92025+90%1995
Yellow-breasted ChatIcteriidae92025+675%2001
Eastern KingbirdTyrannidae82025+667%1996
Great Crested FlycatcherTyrannidae82025+517%1998
Baltimore OrioleIcteridae82025+80%2000
Red-shouldered HawkAccipitridae82025+160%2009
Wild TurkeyPhasianidae82025+53%2019
Eastern TowheePasserellidae72025+386%2001
Red-eyed VireoVireonidae72025+300%2000

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