BirdAnalyst
BBS Route · Louisiana · BCR 26

Transylvania Bird Survey Route

A standard 50-stop Breeding Bird Survey route. 76 species recorded across 20 survey years, still active.

76Species 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 →
1998–2022Span
5Observers

Bird Species Found on Louisiana Transylvania

Top 40 of 76 species by most recent count. Each links to its species trend.

Species recorded on the Transylvania 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 BlackbirdIcteridae1842022-58%2000
DickcisselCardinalidae632022-29%2000
Mourning DoveColumbidae492022-18%2000
Indigo BuntingCardinalidae352022+23%2000
Northern CardinalCardinalidae332022-49%2000
Barn SwallowHirundinidae322022-13%2000
Carolina WrenTroglodytidae26202218×2000
Red-bellied WoodpeckerPicidae232022+84%2000
Painted BuntingCardinalidae222022+380%2002
Blue JayCorvidae202022-33%2000
Brown-headed CowbirdIcteridae192022+43%2000
European StarlingSturnidae162022-77%2000
Northern MockingbirdMimidae162022-45%2000
Yellow-breasted ChatIcteriidae152022+640%2000
Purple MartinHirundinidae142022-77%2000
Common GrackleIcteridae102022-68%2000
Tufted TitmouseParidae102022+633%2006
Northern Rough-winged SwallowHirundinidae102022+900%2008
KilldeerCharadriidae92022-64%2000
Common YellowthroatParulidae92022+140%2000
White IbisThreskiornithidae92003n/an/a
Western Cattle-EgretArdeidae82022-52%2000
Yellow-billed CuckooCuculidae72022-4%2000
Eastern TowheePasserellidae72022+57%2000
Cliff SwallowHirundinidae72022+250%2007
House SparrowPasseridae62022-71%2000
Brown ThrasherMimidae52022-11%2000
Great Crested FlycatcherTyrannidae52022+267%2010
Downy WoodpeckerPicidae42022-14%2000
Horned LarkAlaudidae42022+30%2000
American CrowCorvidae42022-61%2000
Blue GrosbeakCardinalidae42022+200%2003
Loggerhead ShrikeLaniidae42022-55%2000
White-eyed VireoVireonidae42022+150%2001
Eurasian Collared-DoveColumbidae42019+33%2006
Wood DuckAnatidae32017+17%2011
Black-necked StiltRecurvirostridae22011-50%1998
WilletScolopacidae22007+100%1998
American KestrelFalconidae22001+100%1998
Chimney SwiftApodidae22019+0%2007

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