BirdAnalyst
BBS Route · Louisiana · BCR 25

Mount Union Bird Survey Route

A standard 50-stop Breeding Bird Survey route. 94 species recorded across 17 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 →
17Years SurveyedYears surveyedNumber of years with at least one standard-protocol run in this geography. A longer record makes the trend more reliable.Full methodology →
1998–2024Span
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 CrowCorvidae922024+56%2000
Northern CardinalCardinalidae672024-6%2000
Red-eyed VireoVireonidae612024+41%2000
Carolina WrenTroglodytidae522024+50%2000
White-eyed VireoVireonidae442024+152%2000
Tufted TitmouseParidae412024+136%2000
Pine WarblerParulidae382024+4%2000
Indigo BuntingCardinalidae322024-4%2000
Yellow-breasted ChatIcteriidae302024-22%2000
Red-bellied WoodpeckerPicidae282024+106%2000
Carolina ChickadeeParidae252024+94%2000
Blue JayCorvidae222024+27%2000
Hooded WarblerParulidae222024+150%2000
Blue-gray GnatcatcherPolioptilidae222024+5%2000
Mourning DoveColumbidae192024+77%2000
Summer TanagerCardinalidae172024-9%2000
Great EgretArdeidae172022+400%2010
Northern MockingbirdMimidae142024+48%2000
Yellow-billed CuckooCuculidae132024-10%2000
Orchard OrioleIcteridae132024+31%2000
Great Crested FlycatcherTyrannidae122024+92%2000
Barn SwallowHirundinidae122024-45%2000
Kentucky WarblerParulidae112024-16%2000
Purple MartinHirundinidae92024-24%2000
Red-shouldered HawkAccipitridae82024+55%2000
Brown-headed CowbirdIcteridae82024-4%2000
Eastern BluebirdTurdidae82024-27%2000
Downy WoodpeckerPicidae72024+83%2000
Pileated WoodpeckerPicidae72024+8%2000
Blue GrosbeakCardinalidae72024-44%2000
Cliff SwallowHirundinidae72023-7%2015
Canada GooseAnatidae72023-30%2022
Turkey VultureCathartidae62024+26%2000
Eastern Wood-PeweeTyrannidae62024-6%2000
Acadian FlycatcherTyrannidae62024+6%2000
Common YellowthroatParulidae62024-32%2000
Yellow-throated VireoVireonidae52024+100%2000
Black VultureCathartidae42024+120%2000
Eastern KingbirdTyrannidae42024-7%2000
Northern ParulaParulidae42024+100%2000

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