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BBS Route · Illinois · BCR 22

Shannon Bird Survey Route

A standard 50-stop Breeding Bird Survey route. 89 species recorded across 31 survey years, still active.

89Species 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 →
31Years 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
5Observers

Bird Species Found on Illinois Shannon

Top 40 of 89 species by most recent count. Each links to its species trend.

Species recorded on the Shannon 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 BlackbirdIcteridae1672025-44%1995
American RobinTurdidae582025-27%1995
House SparrowPasseridae412025-59%1995
Canada GooseAnatidae332024-17%2007
Barn SwallowHirundinidae262025+16%1995
Song SparrowPasserellidae222025-70%1995
Northern CardinalCardinalidae222025+364%1995
KilldeerCharadriidae162025+34%1995
Mourning DoveColumbidae162025-48%1995
European StarlingSturnidae162025-87%1995
Great EgretArdeidae141993n/an/a
Vesper SparrowPasserellidae132025+56%1997
DickcisselCardinalidae132025+825%1998
Common YellowthroatParulidae112025+77%1995
Chipping SparrowPasserellidae102025-47%1995
Gray CatbirdMimidae102025+0%1995
Northern House WrenTroglodytidae92025+33%1995
Horned LarkAlaudidae82025-47%1995
American CrowCorvidae82025-48%1995
Common GrackleIcteridae72025-53%1995
Cliff SwallowHirundinidae72025+433%1996
Blue JayCorvidae62025-70%1996
Eastern MeadowlarkIcteridae62025-60%1995
Eurasian Collared-DoveColumbidae62025+200%2017
Rock PigeonColumbidae52025-59%1995
Brown-headed CowbirdIcteridae52024-89%1995
Eastern BluebirdTurdidae52019+22%1998
Ring-necked PheasantPhasianidae42024-85%1995
Red-bellied WoodpeckerPicidae42025+60%1996
Grasshopper SparrowPasserellidae41994-64%1993
Yellow WarblerParulidae42023+0%1997
White-breasted NuthatchSittidae42024-13%1996
Black-capped ChickadeeParidae42024-47%1995
Wood ThrushTurdidae42024+20%2005
Great Blue HeronArdeidae32018+25%1995
Chimney SwiftApodidae32019-73%1996
Eastern PhoebeTyrannidae32024+17%1995
Eastern Wood-PeweeTyrannidae32025+25%1995
Western MeadowlarkIcteridae32016-87%1995
Baltimore OrioleIcteridae32025-67%1995

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