BirdAnalyst
BBS Route · Alabama · BCR 27

Riderwood Bird Survey Route

A standard 50-stop Breeding Bird Survey route. 96 species recorded across 55 survey years, still active.

96Species 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 →
55Years SurveyedYears surveyedNumber of years with at least one standard-protocol run in this geography. A longer record makes the trend more reliable.Full methodology →
1966–2023Span
5Observers

Bird Species Found on Alabama Riderwood

Top 40 of 96 species by most recent count. Each links to its species trend.

Species recorded on the Riderwood 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
Northern CardinalCardinalidae562023-53%1968
Indigo BuntingCardinalidae372023-37%1968
Carolina WrenTroglodytidae362023+16%1968
American CrowCorvidae322023-64%1968
Blue-gray GnatcatcherPolioptilidae282023+590%1968
Chimney SwiftApodidae262023+88%1968
Blue JayCorvidae252023-36%1968
White-eyed VireoVireonidae232023+91%1968
Hooded WarblerParulidae232023+713%1968
Northern MockingbirdMimidae172023-69%1968
Great Crested FlycatcherTyrannidae142023+455%1968
Eastern PhoebeTyrannidae142023+700%2005
Acadian FlycatcherTyrannidae122023+600%1968
Northern Rough-winged SwallowHirundinidae122019+113%1968
Red-eyed VireoVireonidae112023+107%1968
Wood ThrushTurdidae112023-8%1968
Purple MartinHirundinidae102023-36%1968
Carolina ChickadeeParidae102023+26%1968
Pine WarblerParulidae92023+933%1968
Tufted TitmouseParidae92023-48%1968
Barn SwallowHirundinidae72021+200%1974
Western Cattle-EgretArdeidae72018-59%1983
Eastern KingbirdTyrannidae62023-71%1968
Yellow-throated VireoVireonidae62023+500%1971
Yellow-breasted ChatIcteriidae62023-86%1968
Red-bellied WoodpeckerPicidae52023-46%1969
European StarlingSturnidae52019-89%1968
Brown-headed CowbirdIcteridae52023+0%1968
Orchard OrioleIcteridae52023-64%1968
Common GrackleIcteridae52019-84%1968
Eastern TowheePasserellidae52023-68%1968
Prairie WarblerParulidae52023-67%1968
Eastern BluebirdTurdidae52023-57%1968
Fish CrowCorvidae42023-12%1968
Red-winged BlackbirdIcteridae42019-90%1968
Chipping SparrowPasserellidae42023-58%1968
House SparrowPasseridae42023-86%1968
Northern ParulaParulidae42023+567%1973
Swallow-tailed KiteAccipitridae42019n/an/a
Great Blue HeronArdeidae32017+67%1980

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