BirdAnalyst
BBS Route · Indiana · BCR 24

Brazil Bird Survey Route

A standard 50-stop Breeding Bird Survey route. 99 species recorded across 54 survey years, still active.

99Species 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 →
54Years SurveyedYears surveyedNumber of years with at least one standard-protocol run in this geography. A longer record makes the trend more reliable.Full methodology →
1966–2024Span
7Observers

Bird Species Found on Indiana Brazil

Top 40 of 99 species by most recent count. Each links to its species trend.

Species recorded on the Brazil 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 StarlingSturnidae4372024+127%1969
Red-winged BlackbirdIcteridae582024-60%1969
Song SparrowPasserellidae462024-6%1969
Indigo BuntingCardinalidae442024-4%1969
Common YellowthroatParulidae342024-19%1969
Canada GooseAnatidae332022-57%1995
Mourning DoveColumbidae302024-65%1969
Cliff SwallowHirundinidae292024+513%2009
Northern CardinalCardinalidae272024-11%1969
Barn SwallowHirundinidae222024-54%1969
House SparrowPasseridae212024-92%1969
American RobinTurdidae212024-6%1969
Northern BobwhiteOdontophoridae192024-69%1969
American CrowCorvidae192024-45%1969
KilldeerCharadriidae172024+633%1969
MallardAnatidae152024+314%1997
Chipping SparrowPasserellidae132024+780%1970
Horned LarkAlaudidae122024+179%1969
Blue GrosbeakCardinalidae122024+600%2008
DickcisselCardinalidae112024+114%1969
Field SparrowPasserellidae92024-39%1969
Warbling VireoVireonidae92024+213%1969
Yellow-breasted ChatIcteriidae92024-21%1969
Northern MockingbirdMimidae92024+100%1969
Carolina WrenTroglodytidae92024-8%1969
Red-headed WoodpeckerPicidae82024-9%1969
Common GrackleIcteridae82024-89%1969
Red-bellied WoodpeckerPicidae72024-10%1969
Eastern Wood-PeweeTyrannidae72024+113%1969
Gray CatbirdMimidae72024-52%1969
Tufted TitmouseParidae72024-48%1969
Northern House WrenTroglodytidae62024+11%1969
Eastern BluebirdTurdidae62024-46%1969
Brown-headed CowbirdIcteridae52024-24%1969
Baltimore OrioleIcteridae52024+60%1971
American GoldfinchFringillidae52024-67%1969
Purple MartinHirundinidae52024+73%1970
Brown ThrasherMimidae52024+50%1969
Willow FlycatcherTyrannidae52024+175%1979
House FinchFringillidae52024+86%1997

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