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

Black-headed Grosbeak In Northern Pacific Rainforest

All regionsNorthern Pacific RainforestGeneralists

Black-headed Grosbeak in Northern Pacific Rainforest has held roughly steady: down 2% on the route-weighted index since 1970.

-2%Since 1970
129Routes In Region
56Years

Notable Signals

No notable trend signals for Black-headed Grosbeak in Northern Pacific Rainforest. See the full index history below.

Forecast

If the recent trend holds, Black-headed Grosbeak in Northern Pacific Rainforest is projected to stay roughly flat through 2029, near 11 (95% range 8.4–13). A 5-year backtest shows a typical error of ±9.4%, with 100% of held-out values landing inside the 95% band.

+8%Change by 2029
11Projected 2029 index
8.4–1395% range
±9.4%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
2025118.413
2026118.413
2027118.413
2028118.413
2029118.413

Routes In Northern Pacific Rainforest

Routes recording Black-headed Grosbeak in Northern Pacific Rainforest.
Horse CreekCALIFORNIA672019
LoraneOREGON542024
RuchOREGON512023
Secret ValOREGON372022
Mendota 2WASHINGTON372000
Pe EllWASHINGTON342023
CecilvilleCALIFORNIA322017
CougarWASHINGTON322023
Mendota 3WASHINGTON322024
Burnt RanchCALIFORNIA302016
Days CreekOREGON302024
Sams ValleyOREGON302024
LongvaleCALIFORNIA292023
EverettWASHINGTON282024
ProspectOREGON272024
South Fork MtnCALIFORNIA262022
SelmaOREGON262024
HullvilleCALIFORNIA252019
OrleansCALIFORNIA252012
Warm BeachWASHINGTON252017
MukilteoWASHINGTON252024
Harlan 2OREGON242024
Lonesome RdgCALIFORNIA232014
Hay ForkCALIFORNIA232017
GarfieldOREGON232023

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