BirdAnalyst
BBS Route · Illinois · BCR 22

Compton Bird Survey Route

A standard 50-stop Breeding Bird Survey route. 86 species recorded across 44 survey years, still active.

86Species 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 →
44Years SurveyedYears surveyedNumber of years with at least one standard-protocol run in this geography. A longer record makes the trend more reliable.Full methodology →
1968–2025Span
6Observers

Bird Species Found on Illinois Compton

Top 40 of 86 species by most recent count. Each links to its species trend.

Species recorded on the Compton 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 BlackbirdIcteridae1612025-60%1973
American RobinTurdidae692025+51%1973
House SparrowPasseridae672025-83%1973
European StarlingSturnidae462025-68%1973
Song SparrowPasserellidae242025+0%1973
Cedar WaxwingBombycillidae202025+317%1994
Common GrackleIcteridae192025-55%1973
Chimney SwiftApodidae172025+53%1973
Common YellowthroatParulidae162025+8%1973
KilldeerCharadriidae152025+278%1973
Chipping SparrowPasserellidae152025+600%1975
Northern CardinalCardinalidae152025+263%1975
Mourning DoveColumbidae142025+50%1973
Brown-headed CowbirdIcteridae132025+30%1975
Eastern MeadowlarkIcteridae112025-82%1973
Northern House WrenTroglodytidae102025+178%1973
American GoldfinchFringillidae72025-65%1973
Tree SwallowHirundinidae72025+67%1987
Canada GooseAnatidae72025-3%2001
Horned LarkAlaudidae62025-91%1973
Marsh WrenTroglodytidae62025+200%2000
Eastern KingbirdTyrannidae52025-22%1980
Northern Rough-winged SwallowHirundinidae52016+67%1989
Vesper SparrowPasserellidae42025+50%1973
DickcisselCardinalidae42025-78%1973
Barn SwallowHirundinidae42025+20%1973
Eastern Wood-PeweeTyrannidae42025+133%1979
Great Crested FlycatcherTyrannidae42025+75%1984
House FinchFringillidae42025+0%1992
Blue JayCorvidae32025+50%1973
Indigo BuntingCardinalidae32025+50%1973
Gray CatbirdMimidae32025+25%1973
Black-billed CuckooCuculidae31973n/an/a
Common NighthawkCaprimulgidae32025+33%1978
Eastern BluebirdTurdidae32015+200%1973
Bank SwallowHirundinidae31989n/an/a
Eastern PhoebeTyrannidae32025+75%2008
Eurasian Collared-DoveColumbidae32025+67%2018
Rock PigeonColumbidae22019-90%1973
Red-headed WoodpeckerPicidae22025-17%1978

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