BirdAnalyst
BBS Route · Indiana · BCR 22

Frankfort Bird Survey Route

A standard 50-stop Breeding Bird Survey route. 79 species recorded across 24 survey years, still active.

79Species 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 →
24Years 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
2Observers

Bird Species Found on Indiana Frankfort

Top 40 of 79 species by most recent count. Each links to its species trend.

Species recorded on the Frankfort 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+8%2001
House SparrowPasseridae322022-70%2001
European StarlingSturnidae262025-57%2001
Brown-headed CowbirdIcteridae262025+43%2001
American RobinTurdidae252025-35%2001
Rock PigeonColumbidae232022+107%2001
KilldeerCharadriidae192025-9%2001
Turkey VultureCathartidae19202517×2001
Song SparrowPasserellidae182025+20%2001
Horned LarkAlaudidae122022-45%2001
Barn SwallowHirundinidae122025-36%2001
Tree SwallowHirundinidae122025+100%2011
Mourning DoveColumbidae112025-13%2001
Common GrackleIcteridae112025-72%2001
Canada GooseAnatidae112022+350%2005
Tufted TitmouseParidae102022+146%2002
Cliff SwallowHirundinidae102025+36%2018
Blue JayCorvidae72025-59%2001
Chipping SparrowPasserellidae72022-76%2001
Northern BobwhiteOdontophoridae62022-32%2001
American CrowCorvidae62025-35%2001
Great Crested FlycatcherTyrannidae62022+133%2004
Red-headed WoodpeckerPicidae52025+260%2002
Eastern MeadowlarkIcteridae42025-13%2001
Vesper SparrowPasserellidae42022+180%2001
Common YellowthroatParulidae42022+139%2001
Red-eyed VireoVireonidae42022+43%2003
Northern Rough-winged SwallowHirundinidae42021+75%2017
Northern CardinalCardinalidae32025+12%2001
Indigo BuntingCardinalidae32025-66%2001
Red-tailed HawkAccipitridae32025-33%2002
Warbling VireoVireonidae32025+100%2002
Eastern BluebirdTurdidae32025-56%2005
Ring-necked PheasantPhasianidae32011-18%2008
Eastern KingbirdTyrannidae22022-46%2001
American GoldfinchFringillidae22025-65%2001
Savannah SparrowPasserellidae22022+64%2001
DickcisselCardinalidae22022+155%2002
Yellow WarblerParulidae22022-29%2001
Northern House WrenTroglodytidae22025-10%2001

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