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

Anna's Hummingbird In Northern Pacific Rainforest

All regionsNorthern Pacific RainforestGeneralists

Anna's Hummingbird in Northern Pacific Rainforest has surged: up 231% on the route-weighted index since 1971.

+231%Since 1971
81Routes In Region
55Years

Notable Signals

long arc increasecomputed index

Anna's Hummingbird has surged in Northern Pacific Rainforest: up 231% on the route-weighted index since 1971.

Forecast

If the recent trend holds, Anna's Hummingbird in Northern Pacific Rainforest is projected to stay roughly flat through 2029, near 0.48 (95% range 0.21–0.75). A 5-year backtest shows a typical error of ±33.6%, with 80% of held-out values landing inside the 95% band.

-5%Change by 2029
0.48Projected 2029 index
0.21–0.7595% range
±33.6%Backtest error
19692029
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
20250.470.200.73
20260.470.200.74
20270.470.200.74
20280.480.210.75
20290.480.210.75

Routes In Northern Pacific Rainforest

Routes recording Anna's Hummingbird in Northern Pacific Rainforest.
WedderburnOREGON82024
Fish RockCALIFORNIA72014
Burnt RanchCALIFORNIA62013
Warm BeachWASHINGTON62017
WinberryOREGON52023
DerbyOREGON41990
GlasgowOREGON42023
EverettWASHINGTON42024
AlderpointCALIFORNIA32012
AdairOREGON32024
Hazel CampOREGON32022
McminnvilleOREGON32019
Warm Beach 2WASHINGTON32024
Raymond 2WASHINGTON32022
DeceptionWASHINGTON32018
HolmesCALIFORNIA22024
HullvilleCALIFORNIA22019
OrleansCALIFORNIA22009
Mt ShastaCALIFORNIA22018
South Fork MtnCALIFORNIA22022
TualatinOREGON22024
DaytonOREGON22024
Secret ValOREGON22004
Emigrant LkOREGON22000
CoquilleOREGON22024

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