BirdAnalyst
BBS Route · Alabama · BCR 27

Perdido Bird Survey Route

A standard 50-stop Breeding Bird Survey route. 65 species recorded across 5 survey years, still active.

65Species 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 →
5Years SurveyedYears surveyedNumber of years with at least one standard-protocol run in this geography. A longer record makes the trend more reliable.Full methodology →
2021–2025Span
1Observers

Bird Species Found on Alabama Perdido

Top 40 of 65 species by most recent count. Each links to its species trend.

Species recorded on the Perdido 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 CardinalCardinalidae692025-4%2022
Northern MockingbirdMimidae442025+42%2022
Blue JayCorvidae222025-17%2022
Carolina WrenTroglodytidae222025-16%2022
Tufted TitmouseParidae202025+5%2022
White-eyed VireoVireonidae182025+3%2022
Eastern TowheePasserellidae172025+32%2022
Pine WarblerParulidae172025-26%2022
Great Crested FlycatcherTyrannidae152025-13%2022
American CrowCorvidae142025-11%2022
Mourning DoveColumbidae132025-24%2022
Turkey VultureCathartidae12202512×2021
Purple MartinHirundinidae112025-5%2022
Common YellowthroatParulidae92025+69%2022
Blue GrosbeakCardinalidae82025+31%2022
Indigo BuntingCardinalidae82025+67%2022
Brown ThrasherMimidae82025+17%2022
Red-bellied WoodpeckerPicidae72025-26%2022
Yellow-breasted ChatIcteriidae72025-7%2022
Blue-gray GnatcatcherPolioptilidae72025-27%2022
Northern BobwhiteOdontophoridae62025+60%2022
Orchard OrioleIcteridae62025+300%2022
Summer TanagerCardinalidae62025-9%2022
Eastern BluebirdTurdidae52025+217%2022
Eurasian Collared-DoveColumbidae52025-36%2022
Common GrackleIcteridae52025+20%2023
Yellow-billed CuckooCuculidae42025-8%2022
Eastern KingbirdTyrannidae42025-25%2022
Brown-headed CowbirdIcteridae42025+25%2022
Red-eyed VireoVireonidae42025-18%2022
Yellow-throated VireoVireonidae42025+250%2022
Carolina ChickadeeParidae42025-54%2022
White-winged DoveColumbidae42025n/an/a
Fish CrowCorvidae32025+17%2022
Barn SwallowHirundinidae32025-50%2022
Hooded WarblerParulidae32025-29%2022
Black VultureCathartidae32025+200%2023
Chuck-will's-widowCaprimulgidae22024+0%2022
KilldeerCharadriidae22022n/an/a
Downy WoodpeckerPicidae22025+50%2023

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