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

Osprey In Northern Pacific Rainforest

All regionsNorthern Pacific RainforestGeneralists

Osprey in Northern Pacific Rainforest has surged: up 202% on the route-weighted index since 1970.

+202%Since 1970
87Routes In Region
56Years

Notable Signals

long arc increasecomputed index

Osprey has surged in Northern Pacific Rainforest: up 202% on the route-weighted index since 1970.

Forecast

If the recent trend holds, Osprey in Northern Pacific Rainforest is projected to rise about 133% by 2029 — from 0.25 in 2024 to a central estimate of 0.59 (95% range 0.26–0.92). A 5-year backtest shows a typical error of ±41.4%, with 80% of held-out values landing inside the 95% band.

+133%Change by 2029
0.59Projected 2029 index
0.26–0.9295% range
±41.4%Backtest error
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 index95% low95% high
20250.580.250.91
20260.580.250.91
20270.580.250.92
20280.590.250.92
20290.590.260.92

Routes In Northern Pacific Rainforest

Routes recording Osprey in Northern Pacific Rainforest.
Redwood N.P.CALIFORNIA152010
Bodega BayCALIFORNIA122018
Horse CreekCALIFORNIA62019
WhiskeytownCALIFORNIA42013
WinberryOREGON42023
ScappooseOREGON42023
South ElmaWASHINGTON42024
PackwoodWASHINGTON42018
Secret ValOREGON32022
Sheep MtnALASKA22001
HullvilleCALIFORNIA22018
Shasta LakeCALIFORNIA22007
OrleansCALIFORNIA22011
TualatinOREGON22024
UmpquaOREGON22023
WedderburnOREGON22024
DaytonOREGON22024
GarfieldOREGON22022
SvensenOREGON21992
OzetteWASHINGTON22006
TaholahWASHINGTON22022
Bunker HillWASHINGTON22022
CougarWASHINGTON22023
EverettWASHINGTON22015
MukilteoWASHINGTON22006

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