BirdAnalyst
BBS Route · Indiana · BCR 24

Brazil Bird Survey Route

A standard 50-stop Breeding Bird Survey route. 100 species recorded across 55 survey years, still active.

100Species 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 →
55Years 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
7Observers

Bird Species Found on Indiana Brazil

Top 40 of 100 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 StarlingSturnidae1462025+128%1969
Song SparrowPasserellidae542025+1%1969
Red-winged BlackbirdIcteridae472025-65%1969
Mourning DoveColumbidae432025-60%1969
Canada GooseAnatidae332022-57%1995
Indigo BuntingCardinalidae322025-15%1969
Northern CardinalCardinalidae292025-10%1969
KilldeerCharadriidae252025+622%1969
House SparrowPasseridae222025-91%1969
Common YellowthroatParulidae212025-22%1969
Barn SwallowHirundinidae202025-42%1969
American RobinTurdidae182025-16%1969
Red-bellied WoodpeckerPicidae152025+40%1969
Common GrackleIcteridae152025-89%1969
Horned LarkAlaudidae142025+157%1969
Northern BobwhiteOdontophoridae132025-67%1969
DickcisselCardinalidae132025+71%1969
American GoldfinchFringillidae112025-42%1969
Warbling VireoVireonidae112025+225%1969
Northern MockingbirdMimidae112025+133%1969
Yellow-breasted ChatIcteriidae102025-7%1969
Blue GrosbeakCardinalidae102025+600%2008
Red-headed WoodpeckerPicidae92025+0%1969
American CrowCorvidae92025-52%1969
Field SparrowPasserellidae92025-43%1969
Chipping SparrowPasserellidae92025+700%1970
Baltimore OrioleIcteridae82025+180%1971
Rock PigeonColumbidae72025+54%1969
Gray CatbirdMimidae72025-32%1969
Brown-headed CowbirdIcteridae62025-21%1969
Brown ThrasherMimidae62025+80%1969
Eastern Wood-PeweeTyrannidae52025+150%1969
Cedar WaxwingBombycillidae52025+67%1985
Cliff SwallowHirundinidae52025+425%2009
American KestrelFalconidae42025-18%1970
Eastern KingbirdTyrannidae42025-12%1969
Eastern MeadowlarkIcteridae42025-87%1969
Carolina WrenTroglodytidae42025+8%1969
House FinchFringillidae42025+100%1997
Red-tailed HawkAccipitridae32025-14%1978

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