BirdAnalyst
Species · BCR 29 · BBS 2025 Release · 1966–2024

Eastern Screech-Owl In Piedmont

All regionsPiedmontGeneralists

Eastern Screech-Owl in Piedmont has fallen sharply: down 73% on the route-weighted index since 1970.

-73%Since 1970TrendPercent 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 →
58Routes In RegionSurvey routesHow many standard-protocol BBS routes contributed counts. More routes means a steadier, better-sampled index; very thin coverage is suppressed.Full methodology →
51YearsYears surveyedNumber of years with at least one standard-protocol run in this geography. A longer record makes the trend more reliable.Full methodology →

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

long arc declinecomputed indexTrend sourceWhether the figure is our own computed route-weighted index or an official USGS modeled estimate. The current build labels every trend as computed.Full methodology →

Eastern Screech-Owl has fallen sharply in Piedmont: down 72% on the route-weighted index since 1970.

Eastern Screech-Owl In Piedmont Population Forecast

If the recent trend holds, Eastern Screech-Owl in Piedmont is projected to stay roughly flat through 2029, near 0.01 (95% range 0.00–0.06). A 5-year backtest shows a typical error of ±45.5%, with 100% of held-out values landing inside the 95% band.

n/aChange 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 →
0.01Projected 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 →
0.00–0.0695% 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 →
±45.5%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, Eastern Screech-Owl in Piedmont is projected to stay roughly flat through 2029, near 0.01 (95% range 0.00–0.06). A 5-year backtest shows a typical error of ±45.5%, with 100% of held-out values landing inside the 95% band.19672029
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 →
20250.010.000.07
20260.010.000.06
20270.010.000.06
20280.010.000.06
20290.010.000.06

Routes In Piedmont

Routes recording Eastern Screech-Owl in Piedmont.
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 →
EkloMARYLAND21996
MooresvilleNORTH-CAROLINA21980
AmherstVIRGINIA22009
Liberty CityALABAMA12005
Nixburg 2ALABAMA12012
WedoweeALABAMA12005
ForsythGEORGIA11974
CrestGEORGIA11993
HollonvilleGEORGIA11977
AthensGEORGIA12023
SiloamGEORGIA11967
StockbridgeGEORGIA11994
RutledgeGEORGIA11983
JulietteGEORGIA11991
WashingtonGEORGIA12000
Yates CrossroadsGEORGIA12012
OlneyMARYLAND11992
WarfieldsbrgMARYLAND12002
Pleasant ValMARYLAND11986
Bachman MillMARYLAND12013
RandallstownMARYLAND11996
Upper XrdsMARYLAND11973
Van BibberMARYLAND11979
WheatonMARYLAND11992
IjamsvilleMARYLAND12023

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