BirdAnalyst
BBS Route · Louisiana · BCR 37

Forked Island 2 Bird Survey Route

A standard 50-stop Breeding Bird Survey route. 69 species recorded across 2 survey years, no longer active.

69Species 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 →
2Years SurveyedYears surveyedNumber of years with at least one standard-protocol run in this geography. A longer record makes the trend more reliable.Full methodology →
2010–2011Span
1Observers

Bird Species Found on Louisiana Forked Island 2

Top 40 of 69 species by most recent count. Each links to its species trend.

Species recorded on the Forked Island 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
Red-winged BlackbirdIcteridae5412011+41%2010
Neotropic CormorantPhalacrocoracidae3112011+124%2010
Boat-tailed GrackleIcteridae1912011+23%2010
White IbisThreskiornithidae1312011-75%2010
Western Cattle-EgretArdeidae1092011+6%2010
Purple MartinHirundinidae942011+42%2010
Great-tailed GrackleIcteridae812011-39%2010
Common YellowthroatParulidae772011+208%2010
Brown-headed CowbirdIcteridae642011+256%2010
Great EgretArdeidae552011-31%2010
Snowy EgretArdeidae532011-26%2010
Orchard OrioleIcteridae472011-6%2010
Black-necked StiltRecurvirostridae452011+114%2010
Barn SwallowHirundinidae442011-32%2010
Black-bellied Whistling-DuckAnatidae392011+550%2010
House SparrowPasseridae342011-24%2010
Northern MockingbirdMimidae332011-8%2010
Tricolored HeronArdeidae322011+14%2010
Eastern MeadowlarkIcteridae312011-28%2010
European StarlingSturnidae282011+8%2010
Common GrackleIcteridae282011-57%2010
KilldeerCharadriidae242011+60%2010
Eastern KingbirdTyrannidae242011+41%2010
Common GallinuleRallidae232010n/an/a
Least BitternArdeidae192011+58%2010
Mourning DoveColumbidae192011+46%2010
Cliff SwallowHirundinidae192011+850%2010
Northern CardinalCardinalidae152011-29%2010
Seaside SparrowPasserellidae142011+27%2010
Fulvous Whistling-DuckAnatidae13201113×2010
White-faced IbisThreskiornithidae122011-43%2010
Roseate SpoonbillThreskiornithidae102011-33%2010
Little Blue HeronArdeidae102011-92%2010
Green HeronArdeidae102011+11%2010
Carolina ChickadeeParidae92011+50%2010
Downy WoodpeckerPicidae82011+14%2010
Carolina WrenTroglodytidae82011+100%2010
King RailRallidae72011n/an/a
Mottled DuckAnatidae62011-65%2010
Purple GallinuleRallidae62010n/an/a

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