BirdAnalyst
BBS Route · Louisiana · BCR 25

Ivan 2 Bird Survey Route

A standard 50-stop Breeding Bird Survey route. 78 species recorded across 3 survey years, still active.

78Species 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 →
3Years SurveyedYears surveyedNumber of years with at least one standard-protocol run in this geography. A longer record makes the trend more reliable.Full methodology →
2014–2016Span
1Observers

Bird Species Found on Louisiana Ivan 2

Top 40 of 78 species by most recent count. Each links to its species trend.

Species recorded on the Ivan 2 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 CrowCorvidae762016+10%2014
Red-eyed VireoVireonidae622016+15%2014
Northern CardinalCardinalidae562016-27%2014
Carolina WrenTroglodytidae482016-2%2014
White-eyed VireoVireonidae472016+27%2014
Indigo BuntingCardinalidae432016+59%2014
Pine WarblerParulidae392016+8%2014
Yellow-billed CuckooCuculidae362016+39%2014
Yellow-breasted ChatIcteriidae302016-25%2014
Tufted TitmouseParidae302016+3%2014
Northern MockingbirdMimidae232016-34%2014
Blue JayCorvidae192016+36%2014
Brown-headed CowbirdIcteridae192016+280%2014
Purple MartinHirundinidae192016-24%2014
Carolina ChickadeeParidae192016-5%2014
Turkey VultureCathartidae182016+157%2014
Mourning DoveColumbidae162016+23%2014
Blue-gray GnatcatcherPolioptilidae162016-33%2014
Orchard OrioleIcteridae152016+67%2014
Hooded WarblerParulidae152016+7%2014
Red-bellied WoodpeckerPicidae142016-30%2014
Eastern TowheePasserellidae122016+50%2014
Barn SwallowHirundinidae122016+9%2014
Eastern BluebirdTurdidae122016+9%2014
Summer TanagerCardinalidae112016-8%2014
Yellow-throated WarblerParulidae112016+267%2014
Blue GrosbeakCardinalidae102016+0%2014
Common YellowthroatParulidae102016-23%2014
Chipping SparrowPasserellidae92016+125%2014
Western Cattle-EgretArdeidae72016+40%2014
Acadian FlycatcherTyrannidae72016-36%2014
Kentucky WarblerParulidae72016-13%2014
Fish CrowCorvidae62016+200%2014
Eastern MeadowlarkIcteridae62016+50%2014
Wood ThrushTurdidae62016-40%2014
Downy WoodpeckerPicidae52016-17%2014
Chimney SwiftApodidae52016+25%2014
Eastern PhoebeTyrannidae52016+67%2014
European StarlingSturnidae52016+150%2014
Prairie WarblerParulidae52016+25%2014

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