BirdAnalyst
BBS Route · Louisiana · BCR 25

Ivan Bird Survey Route

A standard 50-stop Breeding Bird Survey route. 89 species recorded across 14 survey years, no longer active.

89Species 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 →
14Years SurveyedYears surveyedNumber of years with at least one standard-protocol run in this geography. A longer record makes the trend more reliable.Full methodology →
1998–2013Span
4Observers

Bird Species Found on Louisiana Ivan

Top 40 of 89 species by most recent count. Each links to its species trend.

Species recorded on the Ivan 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
American CrowCorvidae972013+21%2000
Northern CardinalCardinalidae712013+14%2000
Red-eyed VireoVireonidae542013+6%2000
White-eyed VireoVireonidae472013+31%2000
Carolina WrenTroglodytidae402013-13%2000
Northern MockingbirdMimidae322013+57%2000
Indigo BuntingCardinalidae282013+1%2000
Yellow-breasted ChatIcteriidae282013-13%2000
Tufted TitmouseParidae272013+58%2000
Pine WarblerParulidae262013-36%2000
Blue-gray GnatcatcherPolioptilidae212013-29%2000
Orchard OrioleIcteridae202013+125%2000
Barn SwallowHirundinidae192013-19%2000
Yellow-billed CuckooCuculidae182013+12%2000
Blue JayCorvidae172013+47%2000
Brown-headed CowbirdIcteridae172013+4%2000
Acadian FlycatcherTyrannidae142013+100%2000
Hooded WarblerParulidae132013-37%2000
Carolina ChickadeeParidae132013+29%2000
Blue GrosbeakCardinalidae122013+56%2000
Summer TanagerCardinalidae122013-10%2000
Purple MartinHirundinidae102013-46%2000
Mourning DoveColumbidae92013+28%2000
Turkey VultureCathartidae92013+110%2000
Great Crested FlycatcherTyrannidae92013+50%2001
Chipping SparrowPasserellidae92013+31%2000
Eastern BluebirdTurdidae92013+8%2000
Common GrackleIcteridae92013+88%2001
Fish CrowCorvidae72013-54%2006
Eastern MeadowlarkIcteridae62013-23%2000
Prairie WarblerParulidae62013+100%2000
Red-bellied WoodpeckerPicidae52013-33%2000
Chimney SwiftApodidae52013-63%2000
Eastern KingbirdTyrannidae52013-41%2000
European StarlingSturnidae52013+56%2000
Kentucky WarblerParulidae52013-48%2000
Wood ThrushTurdidae52013+0%2000
House SparrowPasseridae52005n/an/a
Downy WoodpeckerPicidae42013-9%2000
Eastern Wood-PeweeTyrannidae42013-35%2000

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