BirdAnalyst
BBS Route · Louisiana · BCR 26

Morgan City Bird Survey Route

A standard 50-stop Breeding Bird Survey route. 76 species recorded across 10 survey years, no longer active.

76Species 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 →
10Years SurveyedYears surveyedNumber of years with at least one standard-protocol run in this geography. A longer record makes the trend more reliable.Full methodology →
1967–1986Span
6Observers

Bird Species Found on Louisiana Morgan City

Top 40 of 76 species by most recent count. Each links to its species trend.

Species recorded on the Morgan City 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
Common GrackleIcteridae2601986-14%1970
Purple MartinHirundinidae1251986+88%1970
Western Cattle-EgretArdeidae1081986+803%1973
European StarlingSturnidae651986+133%1970
House SparrowPasseridae551986-22%1970
Great EgretArdeidae521986+390%1974
White IbisThreskiornithidae471986+148%1974
Northern CardinalCardinalidae451986+37%1970
Rock PigeonColumbidae371986+29%1970
Northern MockingbirdMimidae341986+31%1970
White-eyed VireoVireonidae311986+243%1970
Carolina ChickadeeParidae311986+208%1970
Yellow-crowned Night HeronArdeidae231986+13%1973
American CrowCorvidae201986+567%1970
Carolina WrenTroglodytidae201986+73%1970
Red-winged BlackbirdIcteridae181986-55%1970
Orchard OrioleIcteridae161986-28%1970
Little Blue HeronArdeidae151986+137%1970
Tricolored HeronArdeidae131986+222%1975
Eastern MeadowlarkIcteridae121986+663%1970
Brown-headed CowbirdIcteridae111986+87%1973
Painted BuntingCardinalidae111986+19%1970
KilldeerCharadriidae101986+58%1973
Indigo BuntingCardinalidae91978+320%1970
Blue JayCorvidae81986+96%1970
Prothonotary WarblerParulidae81986+21%1970
Snowy EgretArdeidae81986+460%1975
Loggerhead ShrikeLaniidae71986+150%1973
Downy WoodpeckerPicidae71986+400%1973
Mourning DoveColumbidae71986+0%1976
Great Blue HeronArdeidae61986+60%1974
Chimney SwiftApodidae61986+73%1970
Northern ParulaParulidae61986+33%1974
Yellow-breasted ChatIcteriidae51986-48%1970
Yellow-billed CuckooCuculidae51986+8%1973
Eastern KingbirdTyrannidae41978+350%1974
Great Crested FlycatcherTyrannidae41978+100%1974
Blue-gray GnatcatcherPolioptilidae41976+300%1974
Wood DuckAnatidae31986-22%1970
Prairie WarblerParulidae31976+200%1973

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