BirdAnalyst
BBS Route · Louisiana · BCR 25

Mount Union Bird Survey Route

A standard 50-stop Breeding Bird Survey route. 94 species recorded across 18 survey years, still active.

94Species 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 →
18Years SurveyedYears surveyedNumber of years with at least one standard-protocol run in this geography. A longer record makes the trend more reliable.Full methodology →
1998–2025Span
6Observers

Bird Species Found on Louisiana Mount Union

Top 40 of 94 species by most recent count. Each links to its species trend.

Species recorded on the Mount Union 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 CrowCorvidae712025+55%2000
Northern CardinalCardinalidae622025-2%2000
Carolina WrenTroglodytidae572025+69%2000
Red-eyed VireoVireonidae522025+42%2000
White-eyed VireoVireonidae512025+148%2000
Hooded WarblerParulidae392025+212%2000
Tufted TitmouseParidae362025+152%2000
Yellow-breasted ChatIcteriidae342025-18%2000
Red-bellied WoodpeckerPicidae312025+125%2000
Blue JayCorvidae292025+46%2000
Indigo BuntingCardinalidae282025-5%2000
Blue-gray GnatcatcherPolioptilidae252025+12%2000
Pine WarblerParulidae232025-2%2000
Carolina ChickadeeParidae192025+90%2000
Great EgretArdeidae172022+400%2010
Mourning DoveColumbidae152025+68%2000
Brown-headed CowbirdIcteridae152025+27%2000
Great Crested FlycatcherTyrannidae142025+183%2000
Eastern Wood-PeweeTyrannidae142025+0%2000
Blue GrosbeakCardinalidae142025-9%2000
Kentucky WarblerParulidae142025+0%2000
Yellow-billed CuckooCuculidae122025-10%2000
Orchard OrioleIcteridae122025+21%2000
Northern MockingbirdMimidae122025+71%2000
Wood ThrushTurdidae112025-4%2000
Western Cattle-EgretArdeidae102025+164%2000
Summer TanagerCardinalidae102025-17%2000
Red-shouldered HawkAccipitridae92025+91%2000
Yellow-throated VireoVireonidae82025+122%2000
Barn SwallowHirundinidae72025-49%2000
Canada GooseAnatidae72023-30%2022
Chimney SwiftApodidae62025-61%2000
Eastern KingbirdTyrannidae52025+7%2000
Northern ParulaParulidae52025+140%2000
Eastern BluebirdTurdidae52025-7%2000
Acadian FlycatcherTyrannidae42025-6%2000
Purple MartinHirundinidae42025-55%2000
Brown-headed NuthatchSittidae42025-14%2006
Downy WoodpeckerPicidae32025+42%2000
Pileated WoodpeckerPicidae32025+0%2000

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