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

Sharp-shinned Hawk In Appalachian Mountains

All regionsAppalachian MountainsGeneralists

Sharp-shinned Hawk in Appalachian Mountains has risen sharply: up 59% on the route-weighted index since 1968.

+59%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 →
232Routes 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 →
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 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 Sharp-shinned Hawk in Appalachian Mountains. See the full index history below.

Sharp-shinned Hawk In Appalachian Mountains Population Forecast

If the recent trend holds, Sharp-shinned Hawk in Appalachian Mountains is projected to stay roughly flat through 2029, near 0.06 (95% range 0.02–0.10). A 5-year backtest shows a typical error of ±57.2%, 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 →
0.06Projected 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 →
0.02–0.1095% 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 →
±57.2%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, Sharp-shinned Hawk in Appalachian Mountains is projected to stay roughly flat through 2029, near 0.06 (95% range 0.02–0.10). A 5-year backtest shows a typical error of ±57.2%, 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 →
20250.060.020.09
20260.060.020.09
20270.060.020.10
20280.060.020.10
20290.060.020.10

Routes In Appalachian Mountains

Routes recording Sharp-shinned Hawk 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 →
Vestal CtrNEW-YORK31999
Sunny EveALABAMA22016
TalladegaALABAMA22021
LinwoodGEORGIA21995
FinzelMARYLAND22022
WestbrookvleNEW-YORK22018
GainesvilleNEW-YORK22023
Warwick 2NEW-YORK21992
Shawnee S.F.OHIO21994
Shawnee S.F. 2OHIO22002
WallerPENNSYLVANIA22003
MiddletownPENNSYLVANIA22012
Tussey Mtn.PENNSYLVANIA21997
HanoverWEST-VIRGINIA21995
Sugar GroveWEST-VIRGINIA22006
ShanghaiWEST-VIRGINIA22010
TradeALABAMA11969
Pine GroveALABAMA11986
DawsonALABAMA11992
GreensportALABAMA11983
Smyer LakeALABAMA12013
Mt OliveALABAMA12022
MaytownALABAMA12006
GuntersvilleALABAMA12002
MentoneALABAMA12004

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