BirdAnalyst
BBS Route · Indiana · BCR 22

Decatur Bird Survey Route

A standard 50-stop Breeding Bird Survey route. 78 species recorded across 20 survey years, still active.

78Species 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 →
20Years SurveyedYears surveyedNumber of years with at least one standard-protocol run in this geography. A longer record makes the trend more reliable.Full methodology →
1999–2024Span
3Observers

Bird Species Found on Indiana Decatur

Top 40 of 78 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 StarlingSturnidae2412024+42%2001
House SparrowPasseridae1272024+59%2001
American RobinTurdidae1232024+78%2001
Red-winged BlackbirdIcteridae1162024+39%2001
Rock PigeonColumbidae822024+36%2001
Common GrackleIcteridae592024+10%2001
Mourning DoveColumbidae532024+152%2001
Turkey VultureCathartidae45202417×2004
KilldeerCharadriidae442024+39%2001
Song SparrowPasserellidae352024+18%2001
Chipping SparrowPasserellidae332024+60%2001
Barn SwallowHirundinidae312024+153%2001
Canada GooseAnatidae292024+49%2001
Purple MartinHirundinidae29202413×2002
Red-headed WoodpeckerPicidae132024+280%2007
Horned LarkAlaudidae122024-8%2001
Eastern MeadowlarkIcteridae122024-18%2001
American GoldfinchFringillidae122024+18%2001
Northern House WrenTroglodytidae102024-3%2001
Great Blue HeronArdeidae82024+300%2001
Northern CardinalCardinalidae82024-21%2001
DickcisselCardinalidae82024+294%2001
House FinchFringillidae72024-5%2001
Indigo BuntingCardinalidae72024+82%2001
Eastern BluebirdTurdidae72024+100%2003
Wood DuckAnatidae72016+75%2011
Brown-headed CowbirdIcteridae62024+289%2001
Baltimore OrioleIcteridae62018+240%2001
Cedar WaxwingBombycillidae52024+73%2001
Blue JayCorvidae42024-27%2001
Red-eyed VireoVireonidae42019+100%2004
American KestrelFalconidae32019+167%2002
Red-bellied WoodpeckerPicidae32024+39%2001
Eastern Wood-PeweeTyrannidae32024+13%2001
American CrowCorvidae32024-81%2001
Savannah SparrowPasserellidae32019-49%2001
Field SparrowPasserellidae32024-32%2001
Common YellowthroatParulidae32024+11%2001
Tufted TitmouseParidae32019-39%2001
Vesper SparrowPasserellidae32019+100%2016

Source: USGS North American Breeding Bird Survey, retrieved 2026-05-22. A route is a sample, not a census.