BirdAnalyst
BBS Route · Alabama · BCR 27

Helicon Bird Survey Route

A standard 50-stop Breeding Bird Survey route. 92 species recorded across 20 survey years, still active.

92Species 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 →
20Years SurveyedYears surveyedNumber of years with at least one standard-protocol run in this geography. A longer record makes the trend more reliable.Full methodology →
1996–2024Span
3Observers

Bird Species Found on Alabama Helicon

Top 40 of 92 species by most recent count. Each links to its species trend.

Species recorded on the Helicon 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
White-eyed VireoVireonidae542024+260%1998
Tufted TitmouseParidae452024+310%1998
American CrowCorvidae402024-44%1998
Yellow-breasted ChatIcteriidae352024+80%1998
Carolina WrenTroglodytidae342024+68%1998
Eastern TowheePasserellidae332024+65%1998
Indigo BuntingCardinalidae322024+23%1998
Northern MockingbirdMimidae272024-9%1998
Blue-gray GnatcatcherPolioptilidae232024+775%1998
Northern CardinalCardinalidae212024-2%1998
Blue JayCorvidae162024+22%1998
Purple MartinHirundinidae152024-37%1998
Mourning DoveColumbidae142024-65%1998
Wood ThrushTurdidae142024+50%1998
Yellow-billed CuckooCuculidae122024+48%1998
Wild TurkeyPhasianidae112022+280%1998
Red-bellied WoodpeckerPicidae112024+37%1998
Red-eyed VireoVireonidae102024+16%1998
Turkey VultureCathartidae92024-18%1998
Western Cattle-EgretArdeidae82024-59%1998
Blue GrosbeakCardinalidae82024-25%1999
Hooded WarblerParulidae82024+47%1998
Carolina ChickadeeParidae72024+24%1998
Common YellowthroatParulidae72024+222%1999
Great Crested FlycatcherTyrannidae62024+9%1998
Chipping SparrowPasserellidae62024+333%1999
Great EgretArdeidae52024+300%2022
Northern BobwhiteOdontophoridae52024-78%1998
Acadian FlycatcherTyrannidae52024+17%1998
Brown-headed CowbirdIcteridae52024-44%1998
Red-winged BlackbirdIcteridae52024-33%1998
Pine WarblerParulidae52024-53%1998
Brown ThrasherMimidae52024+88%1999
Prairie WarblerParulidae52024+29%2000
MallardAnatidae52015n/an/a
Eastern KingbirdTyrannidae42024-74%1998
Eastern PhoebeTyrannidae42024+425%1998
Eastern Wood-PeweeTyrannidae42024+4%1998
Northern ParulaParulidae42024+171%1998
Brown-headed NuthatchSittidae42023+60%1999

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