BirdAnalyst
BBS Route · Louisiana · BCR 37

Kaplan Bird Survey Route

A standard 50-stop Breeding Bird Survey route. 94 species recorded across 16 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 →
16Years SurveyedYears surveyedNumber of years with at least one standard-protocol run in this geography. A longer record makes the trend more reliable.Full methodology →
1998–2023Span
5Observers

Bird Species Found on Louisiana Kaplan

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

Species recorded on the Kaplan 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
Wood StorkCiconiidae4802010+78%2009
Red-winged BlackbirdIcteridae2352023-48%2000
White-faced IbisThreskiornithidae852023+22%2000
White IbisThreskiornithidae802023-17%2001
Eastern MeadowlarkIcteridae532023-46%2000
Western Cattle-EgretArdeidae462023-34%2000
Northern MockingbirdMimidae372023-54%2000
Mourning DoveColumbidae362023-50%2000
Northern CardinalCardinalidae332023-26%2000
Boat-tailed GrackleIcteridae312023-69%2001
KilldeerCharadriidae242023-31%2000
Black-necked StiltRecurvirostridae232023+64%2000
Blue JayCorvidae162023-27%2000
Black-bellied Whistling-DuckAnatidae162023+313%2011
Cliff SwallowHirundinidae142023-66%2014
Fulvous Whistling-DuckAnatidae132023-76%2000
Great EgretArdeidae122023-45%2000
Common YellowthroatParulidae102023+35%2000
European StarlingSturnidae92021-94%2000
Common GrackleIcteridae92023-81%2000
Carolina WrenTroglodytidae82023+125%2009
Little Blue HeronArdeidae72023+56%2000
House SparrowPasseridae72023-97%2000
Neotropic CormorantPhalacrocoracidae62023+56%2001
Snowy EgretArdeidae52023+31%2000
Yellow-billed CuckooCuculidae52023+88%2001
Purple MartinHirundinidae52023-89%2000
Inca DoveColumbidae52023-40%2001
Eurasian Collared-DoveColumbidae52023+8%2001
Black-crowned Night HeronArdeidae42023+57%2000
King RailRallidae42021-36%2000
Chimney SwiftApodidae42023+75%2000
Brown-headed CowbirdIcteridae42023-89%2000
Barn SwallowHirundinidae42023-84%2000
unid Black-crowned / Yellow-crowned Night HeronArdeidae42000n/an/a
Least BitternArdeidae42022+300%2008
Blue-winged TealAnatidae42019-80%2013
Roseate SpoonbillThreskiornithidae32022-69%2000
Eastern KingbirdTyrannidae32023-90%2000
DickcisselCardinalidae32023-73%2000

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