BirdAnalyst
BBS Route · Indiana · BCR 22

Decatur Bird Survey Route

A standard 50-stop Breeding Bird Survey route. 81 species recorded across 21 survey years, still active.

81Species 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 →
21Years SurveyedYears surveyedNumber of years with at least one standard-protocol run in this geography. A longer record makes the trend more reliable.Full methodology →
1999–2025Span
3Observers

Bird Species Found on Indiana Decatur

Top 40 of 81 species by most recent count. Each links to its species trend.

Species recorded on the Decatur 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
European StarlingSturnidae2732025+99%2001
American RobinTurdidae1342025+102%2001
Common GrackleIcteridae1212025+63%2001
House SparrowPasseridae932025+55%2001
Red-winged BlackbirdIcteridae892025+25%2001
Purple MartinHirundinidae87202518×2002
Mourning DoveColumbidae832025+198%2001
Rock PigeonColumbidae462025+48%2001
KilldeerCharadriidae442025+51%2001
Song SparrowPasserellidae392025+18%2001
Chipping SparrowPasserellidae262025+49%2001
Northern CardinalCardinalidae252025+7%2001
Horned LarkAlaudidae232025-8%2001
Barn SwallowHirundinidae222025+150%2001
Brown-headed CowbirdIcteridae182025+311%2001
Eastern MeadowlarkIcteridae182025-16%2001
MallardAnatidae172025-17%2001
Red-headed WoodpeckerPicidae172025+560%2007
Canada GooseAnatidae142025-38%2001
Indigo BuntingCardinalidae142025+91%2001
Turkey VultureCathartidae12202520×2004
House FinchFringillidae122025+30%2001
Northern House WrenTroglodytidae112025-3%2001
Great Blue HeronArdeidae82024+300%2001
Blue JayCorvidae72025-12%2001
American GoldfinchFringillidae72025-21%2001
Field SparrowPasserellidae72025-25%2001
Common YellowthroatParulidae72025+44%2001
Wood DuckAnatidae72016+75%2011
Red-bellied WoodpeckerPicidae62025+39%2001
DickcisselCardinalidae52025+69%2001
Tufted TitmouseParidae52025-50%2001
Eastern BluebirdTurdidae52025+129%2003
Chimney SwiftApodidae42025-11%2002
Savannah SparrowPasserellidae42025-58%2001
Warbling VireoVireonidae42025+33%2001
Gray CatbirdMimidae42025+67%2001
Red-eyed VireoVireonidae42019+100%2004
Vesper SparrowPasserellidae42025+0%2017
American KestrelFalconidae32019+167%2002

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