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

Green Heron In Northern Pacific Rainforest

Green Heron in Northern Pacific Rainforest has collapsed: down 79% on the route-weighted index since 1971.

-79%Since 1971
60Routes In Region
53Years

Notable Signals

long arc declinecomputed index

Green Heron has collapsed in Northern Pacific Rainforest: down 78% on the route-weighted index since 1971.

Forecast

If the recent trend holds, Green Heron in Northern Pacific Rainforest is projected to stay roughly flat through 2028, near 0.03 (95% range 0.00–0.19). A 5-year backtest shows a typical error of ±109.4%, with 100% of held-out values landing inside the 95% band.

n/aChange by 2028
0.03Projected 2028 index
0.000.1995% range
±109.4%Backtest error
19692028
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
20240.040.000.20
20250.040.000.20
20260.030.000.20
20270.030.000.19
20280.030.000.19

Routes In Northern Pacific Rainforest

Routes recording Green Heron in Northern Pacific Rainforest.
MontesandWASHINGTON32005
Mendota 2WASHINGTON31995
Junction CtyCALIFORNIA22010
Bodega BayCALIFORNIA22006
YrekaCALIFORNIA22019
TualatinOREGON22012
WinberryOREGON21998
Hazel CampOREGON22011
Emigrant LkOREGON22001
GlasgowOREGON22005
SalemOREGON22023
TaholahWASHINGTON21996
South ElmaWASHINGTON22018
Pe EllWASHINGTON21996
CarnationWASHINGTON22010
Horse CreekCALIFORNIA12012
Crescent CtyCALIFORNIA12003
HoneydewCALIFORNIA12012
HullvilleCALIFORNIA11986
Fish RockCALIFORNIA12014
Shasta LakeCALIFORNIA12004
LongvaleCALIFORNIA12014
OrleansCALIFORNIA11981
AlderpointCALIFORNIA11978
LaytonvilleCALIFORNIA12009

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