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

Sharp-shinned Hawk Population Trend in Tennessee

All statesGeneralists

Sharp-shinned Hawk in Tennessee has edged up: up 13% on the route-weighted index since 1978.

+13%Since 1978TrendPercent 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 →
23Routes 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 →
31YearsYears surveyedNumber of years with at least one standard-protocol run in this geography. A longer record makes the trend more reliable.Full methodology →

Notable Sharp-shinned Hawk Trends in TennesseeNotable 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 Tennessee. See the full index history below.

Sharp-shinned Hawk Population Forecast in Tennessee

If the recent trend holds, Sharp-shinned Hawk in Tennessee is projected to stay roughly flat through 2026, near 0.04 (95% range 0.01–0.07). A 5-year backtest shows a typical error of ±63.5%, with 100% of held-out values landing inside the 95% band.

n/aChange by 2026TrendPercent 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 →
0.04Projected 2026 indexProjected indexThe central forecast of the abundance index if the recent trend continues. A projection of the current trajectory, not a prediction.Full methodology →
0.01–0.0795% 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 →
±63.5%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, Sharp-shinned Hawk in Tennessee is projected to stay roughly flat through 2026, near 0.04 (95% range 0.01–0.07). A 5-year backtest shows a typical error of ±63.5%, with 100% of held-out values landing inside the 95% band.19722026
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 →
20220.040.010.07
20230.040.010.07
20240.040.010.07
20250.040.010.07
20260.040.010.07

Sharp-shinned Hawk Survey Routes in Tennessee

Routes recording Sharp-shinned Hawk in Tennessee.
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 →
Humboldt220102010
Signal Mtn119861986
Pawpaw120112011
Tibbs120091978
Tellico120012001
Mansfield119831983
Silerton120002000
Cornpone120211991
Pond Creek120141984
Collinwood119991999
White House120052005
Tullahoma119931981
Silver Pt119791979
Union Hill119761976
Glen120131984
Jasper120011980
Elk Valley119721972
Oliver Spgs119911985
Corryton Rd119951995
Jefferson Cty120041989
Mt Olive120022001
Allens Brdge119941993
Indian Mound 2120072007

Sharp-shinned Hawk Population Trend in Other States

alabamaalaskaarizonaarkansascaliforniacoloradoconnecticutdelawaregeorgiaidahoillinoisindianaiowakansaskentuckylouisianamainemarylandmassachusettsmichiganminnesotamississippimissourimontananebraskanevadanew-hampshirenew-jerseynew-mexiconew-yorknorth-carolinanorth-dakotaohiooklahomaoregonpennsylvaniarhode-islandsouth-carolinasouth-dakotatexasutahvermontvirginiawashingtonwest-virginiawisconsinwyoming

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