BirdAnalyst
BBS Route · Louisiana · BCR 37

Hackberry Bird Survey Route

A standard 50-stop Breeding Bird Survey route. 110 species recorded across 46 survey years, no longer active.

110Species 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 →
46Years SurveyedYears surveyedNumber of years with at least one standard-protocol run in this geography. A longer record makes the trend more reliable.Full methodology →
1967–2016Span
7Observers

Bird Species Found on Louisiana Hackberry

Top 40 of 110 species by most recent count. Each links to its species trend.

Species recorded on the Hackberry 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
Western Cattle-EgretArdeidae832016+114%1975
Northern MockingbirdMimidae682016+88%1969
Red-winged BlackbirdIcteridae422016-58%1969
European StarlingSturnidae31201618×1971
Northern CardinalCardinalidae282016+10%1969
Mourning DoveColumbidae252016+436%1969
Blue JayCorvidae252016+49%1969
Rock PigeonColumbidae232013+730%1981
Common GrackleIcteridae212016+513%1971
Great EgretArdeidae182016+53%1971
Cliff SwallowHirundinidae182014+8%2006
Purple MartinHirundinidae162016-77%1969
Eastern MeadowlarkIcteridae152016-75%1969
Carolina WrenTroglodytidae132016+64%1969
Barn SwallowHirundinidae122016+282%1995
Turkey VultureCathartidae11201612×1985
Laughing GullLaridae102016+429%1988
White IbisThreskiornithidae102016+156%1989
American CrowCorvidae82016-15%1969
Boat-tailed GrackleIcteridae72004-64%1969
House SparrowPasseridae72014-94%1969
Red-bellied WoodpeckerPicidae72016+333%1974
Black VultureCathartidae72016+69%1990
Black-necked StiltRecurvirostridae62016-17%1969
Brown-headed CowbirdIcteridae62016-57%1969
Common NighthawkCaprimulgidae52016-68%1969
Common YellowthroatParulidae52016+78%1974
Little Blue HeronArdeidae52016+0%1977
Green HeronArdeidae42016-25%1969
Great Blue HeronArdeidae42016-25%1973
Fish CrowCorvidae42016-59%1975
Chimney SwiftApodidae42016+117%1984
Red-shouldered HawkAccipitridae42016+17%1993
Eurasian Collared-DoveColumbidae42016-13%2002
White-winged DoveColumbidae42013+300%2007
Blue-winged TealAnatidae31967n/an/a
KilldeerCharadriidae32016-70%1969
Loggerhead ShrikeLaniidae32014-70%1969
White-eyed VireoVireonidae32016+38%1979
Blue-gray GnatcatcherPolioptilidae31990+200%1967

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