BirdAnalyst
Species · BCR 5 · BBS 2025 Release · 1966–2024

Red-tailed Hawk In Northern Pacific Rainforest

All regionsNorthern Pacific RainforestGeneralists

Red-tailed Hawk in Northern Pacific Rainforest has held roughly steady: up 1% on the route-weighted index since 1970.

+1%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 →
137Routes 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 →
56YearsYears 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 Red-tailed Hawk in Northern Pacific Rainforest. See the full index history below.

Red-tailed Hawk In Northern Pacific Rainforest Population Forecast

If the recent trend holds, Red-tailed Hawk in Northern Pacific Rainforest is projected to stay roughly flat through 2029, near 1.00 (95% range 0.58–1.4). A 5-year backtest shows a typical error of ±13.5%, with 100% of held-out values landing inside the 95% band.

+10%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 →
1.00Projected 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 →
0.58–1.495% 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 →
±13.5%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, Red-tailed Hawk in Northern Pacific Rainforest is projected to stay roughly flat through 2029, near 1.00 (95% range 0.58–1.4). A 5-year backtest shows a typical error of ±13.5%, with 100% of held-out values landing inside the 95% band.19682029
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 →
20251.00.591.4
20261.00.591.4
20271.000.591.4
20281.000.581.4
20291.000.581.4

Routes In Northern Pacific Rainforest

Routes recording Red-tailed Hawk in Northern Pacific Rainforest.
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 →
YrekaCALIFORNIA82019
AdairOREGON82024
Rio DellCALIFORNIA62012
UkiahCALIFORNIA52011
ScioOREGON52024
GarfieldOREGON52023
Emigrant Lake 2OREGON52024
Crescent CtyCALIFORNIA42024
Shasta LakeCALIFORNIA42024
LongvaleCALIFORNIA42023
UmpquaOREGON42023
DerbyOREGON41993
ElktonOREGON42024
Port AngelesWASHINGTON42024
EverettWASHINGTON42024
RainierWASHINGTON42019
HoneydewCALIFORNIA32017
Fish RockCALIFORNIA32012
Bodega BayCALIFORNIA32021
ShellrockOREGON32016
SvensenOREGON31991
CanbyOREGON32024
GreenOREGON32023
McminnvilleOREGON32024
Bunker HillWASHINGTON32024

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