BBS Route · Louisiana · BCR 25

Ivan 2 Bird Survey Route

A standard 50-stop Breeding Bird Survey route. 83 species recorded across 4 survey years, still active.

Bird Species Found on Louisiana Ivan 2

Top 40 of 83 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
Yellow-breasted ChatIcteriidae572025-4%2015
White-eyed VireoVireonidae502025+10%2015
Northern CardinalCardinalidae462025-37%2015
Red-eyed VireoVireonidae452025-4%2015
Carolina WrenTroglodytidae452025-16%2015
American CrowCorvidae442025-18%2015
Purple MartinHirundinidae392025+29%2015
Indigo BuntingCardinalidae332025+17%2015
Tufted TitmouseParidae302025-12%2015
Pine WarblerParulidae252025+0%2015
Summer TanagerCardinalidae212025+33%2015
Western Cattle-EgretArdeidae202025+300%2014
Blue-gray GnatcatcherPolioptilidae192025-10%2015
Hooded WarblerParulidae172025-9%2015
Brown-headed CowbirdIcteridae152025+17%2015
Northern MockingbirdMimidae152025-45%2015
Yellow-billed CuckooCuculidae142025+22%2015
Common YellowthroatParulidae142025+0%2015
Red-bellied WoodpeckerPicidae132025-25%2015
Mourning DoveColumbidae112025-10%2015
Blue GrosbeakCardinalidae112025-22%2015
Yellow-throated VireoVireonidae112025+7%2015
Carolina ChickadeeParidae112025-39%2015
Acadian FlycatcherTyrannidae102025+6%2015
Orchard OrioleIcteridae102025+4%2015
Chipping SparrowPasserellidae82025+31%2015
Great Crested FlycatcherTyrannidae72025-48%2015
Blue JayCorvidae72025-21%2015
Eastern BluebirdTurdidae72025-32%2015
Downy WoodpeckerPicidae62025+0%2015
Chimney SwiftApodidae52016+25%2014
European StarlingSturnidae52016+150%2014
Wood ThrushTurdidae52025-31%2015
Mississippi KiteAccipitridae42025+100%2014
Fish CrowCorvidae42025+0%2015
Eastern TowheePasserellidae42025-16%2015
Kentucky WarblerParulidae42025-8%2015
White IbisThreskiornithidae42016n/an/a
Painted BuntingCardinalidae42025n/an/a
Hairy WoodpeckerPicidae32016+200%2014

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