BirdAnalyst
BBS Route · Alabama · BCR 27

Vernon Bird Survey Route

A standard 50-stop Breeding Bird Survey route. 89 species recorded across 26 survey years, still active.

89Species 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 →
26Years SurveyedYears surveyedNumber of years with at least one standard-protocol run in this geography. A longer record makes the trend more reliable.Full methodology →
1996–2022Span
3Observers

Bird Species Found on Alabama Vernon

Top 40 of 89 species by most recent count. Each links to its species trend.

Species recorded on the Vernon 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 VireoVireonidae362022+173%1998
Northern CardinalCardinalidae322022+21%1998
American CrowCorvidae302022-8%1998
Indigo BuntingCardinalidae252022-31%1998
Yellow-breasted ChatIcteriidae212022-31%1998
Red-eyed VireoVireonidae192022+103%1998
Turkey VultureCathartidae152022+250%1999
Purple MartinHirundinidae152011+340%2002
Carolina WrenTroglodytidae152022+0%1998
Summer TanagerCardinalidae142022+59%1998
Barn SwallowHirundinidae132022-16%1998
Tufted TitmouseParidae132022+0%1998
Blue JayCorvidae122022-28%1998
Blue-gray GnatcatcherPolioptilidae122022+83%1998
American RobinTurdidae122021+200%1998
Mourning DoveColumbidae112022-19%1998
Eastern Wood-PeweeTyrannidae102022-19%1998
House SparrowPasseridae92016+160%2006
Chimney SwiftApodidae82019-68%1998
Pine WarblerParulidae82022-22%1998
Hooded WarblerParulidae82022+113%1998
Yellow-billed CuckooCuculidae72022+36%1998
Black VultureCathartidae72022+200%2011
European StarlingSturnidae62021+100%2003
Brown-headed CowbirdIcteridae62022-21%1998
Chipping SparrowPasserellidae62022+133%1998
Brown ThrasherMimidae62022+20%1998
Prairie WarblerParulidae52022+8%1998
Common YellowthroatParulidae52022+0%1998
Northern MockingbirdMimidae52022-49%1998
Kentucky WarblerParulidae42022+220%1998
Carolina ChickadeeParidae42022-53%1998
Acadian FlycatcherTyrannidae42021+225%2003
Northern Rough-winged SwallowHirundinidae42019+133%2008
Eurasian Collared-DoveColumbidae42019+150%2014
Downy WoodpeckerPicidae32022+100%1999
Pileated WoodpeckerPicidae32022+167%2000
Red-bellied WoodpeckerPicidae32022+0%1998
Common GrackleIcteridae32022+163%1998
Wood ThrushTurdidae32022+0%1998

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