BirdAnalyst
Species · BCR 28 · BBS 2025 Release · 1966–2024

American Goshawk In Appalachian Mountains

All regionsAppalachian MountainsGeneralists

American Goshawk in Appalachian Mountains has fallen sharply: down 58% on the route-weighted index since 1981.

-58%Since 1981TrendPercent 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 →
18Routes 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 →
24YearsYears 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 →

No notable trend signals for American Goshawk in Appalachian Mountains. See the full index history below.

American Goshawk In Appalachian Mountains Population Forecast

If the recent trend holds, American Goshawk in Appalachian Mountains is projected to stay roughly flat through 2028, near 0.00 (95% range 0.00–0.01). A 5-year backtest shows a typical error of ±13.1%, with 100% of held-out values landing inside the 95% band.

n/aChange by 2028TrendPercent 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 →
0.00Projected 2028 indexProjected indexThe central forecast of the abundance index if the recent trend continues. A projection of the current trajectory, not a prediction.Full methodology →
0.00–0.0195% 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 →
±13.1%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, American Goshawk in Appalachian Mountains is projected to stay roughly flat through 2028, near 0.00 (95% range 0.00–0.01). A 5-year backtest shows a typical error of ±13.1%, with 100% of held-out values landing inside the 95% band.19742028
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 →
20240.000.000.01
20250.000.000.01
20260.000.000.01
20270.000.000.01
20280.000.000.01

Routes In Appalachian Mountains

Routes recording American Goshawk in Appalachian Mountains.
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 →
GreentownPENNSYLVANIA22003
DoverNEW-JERSEY11990
MedusaNEW-YORK12023
LaurensNEW-YORK12022
Whitney PtNEW-YORK11994
CattaraugusNEW-YORK11987
Whig HillPENNSYLVANIA11974
OdinPENNSYLVANIA11992
RoulettePENNSYLVANIA12016
RosecransPENNSYLVANIA11991
Mawr GlenPENNSYLVANIA12013
Marsh HillPENNSYLVANIA12008
Pocono SummitPENNSYLVANIA11998
MunsonPENNSYLVANIA11981
Bald EaglePENNSYLVANIA11980
EllentonPENNSYLVANIA12011
Rothrock SfPENNSYLVANIA12001
AnsoniaPENNSYLVANIA12002

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