BirdAnalyst
BBS Route · Indiana · BCR 22

Fowler Bird Survey Route

A standard 50-stop Breeding Bird Survey route. 104 species recorded across 58 survey years, still active.

104Species 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 →
58Years SurveyedYears surveyedNumber of years with at least one standard-protocol run in this geography. A longer record makes the trend more reliable.Full methodology →
1966–2025Span
4Observers

Bird Species Found on Indiana Fowler

Top 40 of 104 species by most recent count. Each links to its species trend.

Species recorded on the Fowler 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 StarlingSturnidae1562025+26%1968
Cliff SwallowHirundinidae80202513×2017
Red-winged BlackbirdIcteridae702025-21%1968
American RobinTurdidae422025+339%1968
Common GrackleIcteridae382024-27%1968
KilldeerCharadriidae292025+567%1968
Mourning DoveColumbidae252025+91%1968
Brown-headed CowbirdIcteridae252025+104%1968
DickcisselCardinalidae192025-27%1968
Eastern MeadowlarkIcteridae182025-29%1968
Indigo BuntingCardinalidae142025-12%1968
Common YellowthroatParulidae132025+65%1968
American CrowCorvidae122024-53%1968
Song SparrowPasserellidae122025-7%1968
American GoldfinchFringillidae112025+207%1968
Purple MartinHirundinidae102024+33%1974
Field SparrowPasserellidae72025-13%1968
House SparrowPasseridae72025-95%1968
Warbling VireoVireonidae62022+325%1969
MallardAnatidae62019+117%1989
House FinchFringillidae52024-17%1990
Northern House WrenTroglodytidae42025+29%1968
Red-eyed VireoVireonidae42021+133%1975
Cedar WaxwingBombycillidae42025-31%1984
Wild TurkeyPhasianidae42015n/an/a
Ring-necked PheasantPhasianidae32025-93%1968
Red-tailed HawkAccipitridae32024+13%1975
Savannah SparrowPasserellidae32024+0%1968
Northern Rough-winged SwallowHirundinidae32022+14%1971
Turkey VultureCathartidae32025-43%1976
Chimney SwiftApodidae22019+17%1968
Willow FlycatcherTyrannidae22022+125%1972
Horned LarkAlaudidae22025-85%1968
Blue JayCorvidae22024-44%1968
Vesper SparrowPasserellidae22025-70%1968
Grasshopper SparrowPasserellidae22010-67%1968
Tufted TitmouseParidae22022-58%1968
Eastern BluebirdTurdidae22024+13%1968
American KestrelFalconidae22025+67%1984
Chipping SparrowPasserellidae22025+333%1975

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