BirdAnalyst
BBS Route · Illinois · BCR 22

Keithsburg Bird Survey Route

A standard 50-stop Breeding Bird Survey route. 88 species recorded across 22 survey years, still active.

88Species 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 →
22Years SurveyedYears surveyedNumber of years with at least one standard-protocol run in this geography. A longer record makes the trend more reliable.Full methodology →
2001–2025Span
2Observers

Bird Species Found on Illinois Keithsburg

Top 40 of 88 species by most recent count. Each links to its species trend.

Species recorded on the Keithsburg 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 BlackbirdIcteridae852025-71%2003
American RobinTurdidae722025-1%2003
Mourning DoveColumbidae562025+19%2003
European StarlingSturnidae512025-94%2003
DickcisselCardinalidae382025+63%2003
House SparrowPasseridae352025-28%2003
Indigo BuntingCardinalidae262025-26%2003
Barn SwallowHirundinidae192025-27%2003
Chipping SparrowPasserellidae172025-18%2003
KilldeerCharadriidae162025-3%2003
Brown-headed CowbirdIcteridae152025-13%2003
Northern CardinalCardinalidae142025-45%2003
Eastern MeadowlarkIcteridae112025-25%2003
Common YellowthroatParulidae112025+7%2003
Northern House WrenTroglodytidae112025-23%2003
American GoldfinchFringillidae102025-63%2003
Tree SwallowHirundinidae102025+175%2005
Gray CatbirdMimidae92025+44%2003
MallardAnatidae92019+280%2009
Eastern BluebirdTurdidae72025-10%2003
Bank SwallowHirundinidae72009n/an/a
Ring-necked PheasantPhasianidae52025+50%2003
Red-bellied WoodpeckerPicidae52025-40%2004
American CrowCorvidae52025-73%2003
Cliff SwallowHirundinidae52025+114%2006
Eurasian Collared-DoveColumbidae52025n/an/a
Northern BobwhiteOdontophoridae42025-68%2003
Red-headed WoodpeckerPicidae42025+100%2004
Eastern KingbirdTyrannidae42025-9%2005
Blue JayCorvidae42025-44%2003
Western MeadowlarkIcteridae42025-58%2003
Common GrackleIcteridae42025-89%2003
Warbling VireoVireonidae42025-14%2003
Cedar WaxwingBombycillidae42018+75%2005
Sedge WrenTroglodytidae42007+300%2006
Chimney SwiftApodidae32017-61%2003
Eastern Wood-PeweeTyrannidae32025+33%2004
House FinchFringillidae32025+25%2004
Field SparrowPasserellidae32025-27%2003
Rose-breasted GrosbeakCardinalidae32025+75%2003

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