BirdAnalyst
Species · Georgia · BBS 2025 Release · 1966–2024

Acadian Flycatcher Population Trend in Georgia

All statesAerial insectivores

Acadian Flycatcher in Georgia has increased: up 37% on the route-weighted index since 1968.

+37%Since 1968TrendPercent 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 →
101Routes In StateSurvey routesHow many standard-protocol BBS routes contributed counts. More routes means a steadier, better-sampled index; very thin coverage is suppressed.Full methodology →
58YearsYears surveyedNumber of years with at least one standard-protocol run in this geography. A longer record makes the trend more reliable.Full methodology →

Notable Acadian Flycatcher Trends in GeorgiaNotable signalsLong-arc shifts the engine flags automatically — sustained declines or increases large enough to stand out from year-to-year noise.Full methodology →

No notable trend signals for Acadian Flycatcher in Georgia. See the full index history below.

Acadian Flycatcher Population Forecast in Georgia

If the recent trend holds, Acadian Flycatcher in Georgia is projected to stay roughly flat through 2029, near 1.9 (95% range 1.4–2.4). A 5-year backtest shows a typical error of ±3.8%, with 100% of held-out values landing inside the 95% band.

+7%Change by 2029TrendPercent 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 →
1.9Projected 2029 indexProjected indexThe central forecast of the abundance index if the recent trend continues. A projection of the current trajectory, not a prediction.Full methodology →
1.4–2.495% range95% rangeThe 95% uncertainty band around the projection at the forecast horizon. The true value should land inside it most of the time.Full methodology →
±3.8%Backtest errorBacktest errorTypical error when we hold out the most recent years, forecast them, and compare to what actually happened. Lower means a more trustworthy projection.Full methodology →
If the recent trend holds, Acadian Flycatcher in Georgia is projected to stay roughly flat through 2029, near 1.9 (95% range 1.4–2.4). A 5-year backtest shows a typical error of ±3.8%, with 100% of held-out values landing inside the 95% band.19662029
Projection of the recent trend (dashed) with 80/95% bands — a projection, not a prediction. Habitat, climate, and land use are not modeled.
YearProjected indexProjected indexThe central forecast of the abundance index if the recent trend continues. A projection of the current trajectory, not a prediction.Full methodology →95% low95% rangeThe 95% uncertainty band around the projection at the forecast horizon. The true value should land inside it most of the time.Full methodology →95% high95% rangeThe 95% uncertainty band around the projection at the forecast horizon. The true value should land inside it most of the time.Full methodology →
20251.91.42.4
20261.91.42.4
20271.91.42.4
20281.91.42.4
20291.91.42.4

Acadian Flycatcher Survey Routes in Georgia

Routes recording Acadian Flycatcher in Georgia.
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 →
Deepstep1020231975
Forsyth720241973
Rutledge720241978
Maxeys620241966
Washington620241975
Piedmont Nwr620031991
Wadley520241977
Barges520242011
Carrs Station520242008
Tazewell420241969
Juliette420241975
Dover420241991
Keller419941975
Whitesburg420241996
Woodbine420242011
Dickey420172005
Irwinton420242016
Sharon 2420242023
Harrietts Bl320241970
Wrightsville320221984
Henderson320241973
Jacksonboro320241967
Mountain Cty320241975
Boston320241982
Riceboro320191995

Acadian Flycatcher Population Trend in Other States

alabamaarkansasconnecticutdelawarefloridaillinoisindianaiowakansaskentuckylouisianamarylandmassachusettsmichiganminnesotamississippimissourinew-hampshirenew-jerseynew-yorknorth-carolinaohiooklahomapennsylvaniarhode-islandsouth-carolinatennesseetexasvirginiawest-virginiawisconsin

Source: USGS North American Breeding Bird Survey, retrieved 2026-05-22.