BirdAnalyst
BBS Route · Alabama · BCR 27

Helicon Bird Survey Route

A standard 50-stop Breeding Bird Survey route. 93 species recorded across 21 survey years, still active.

93Species 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 →
21Years SurveyedYears surveyedNumber of years with at least one standard-protocol run in this geography. A longer record makes the trend more reliable.Full methodology →
1996–2025Span
3Observers

Bird Species Found on Alabama Helicon

Top 40 of 93 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
American CrowCorvidae682025-45%1998
White-eyed VireoVireonidae562025+276%1998
Tufted TitmouseParidae552025+348%1998
Northern CardinalCardinalidae502025+4%1998
Carolina WrenTroglodytidae432025+61%1998
Yellow-breasted ChatIcteriidae402025+62%1998
Northern MockingbirdMimidae362025-2%1998
Blue JayCorvidae302025+4%1998
Indigo BuntingCardinalidae262025+4%1998
Blue-gray GnatcatcherPolioptilidae232025+800%1998
Brown-headed CowbirdIcteridae222025-15%1998
Mourning DoveColumbidae202025-62%1998
Red-bellied WoodpeckerPicidae202025+8%1998
Great Crested FlycatcherTyrannidae202025+31%1998
Red-eyed VireoVireonidae192025+39%1998
Wood ThrushTurdidae162025+50%1998
Yellow-billed CuckooCuculidae152025+44%1998
Eastern TowheePasserellidae152025+48%1998
Western Cattle-EgretArdeidae132025-27%1998
Summer TanagerCardinalidae122025+47%1998
Hooded WarblerParulidae122025+77%1998
Wild TurkeyPhasianidae112022+280%1998
Carolina ChickadeeParidae112025+12%1998
Fish CrowCorvidae112025+275%1999
Common YellowthroatParulidae112025+233%1999
Blue GrosbeakCardinalidae102025+19%1999
Northern ParulaParulidae102025+200%1998
Yellow-throated VireoVireonidae92025+167%2000
Pine WarblerParulidae82025-56%1998
Cliff SwallowHirundinidae82025n/an/a
Prairie WarblerParulidae62025+100%2000
Eastern Wood-PeweeTyrannidae52025+0%1998
Red-winged BlackbirdIcteridae52024-33%1998
Orchard OrioleIcteridae52025-69%1998
Chipping SparrowPasserellidae52025+350%1999
Swainson's WarblerParulidae52025+60%1999
Kentucky WarblerParulidae52025+80%2000
American RedstartParulidae52025+220%2003
MallardAnatidae52015n/an/a
Great EgretArdeidae42025+350%2022

Source: USGS North American Breeding Bird Survey, retrieved 2026-08-14. A route is a sample, not a census.