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

Black-crowned Night Heron In Northern Pacific Rainforest

Black-crowned Night Heron in Northern Pacific Rainforest has held roughly steady: down 6% on the route-weighted index since 1975.

-6%Since 1975
11Routes In Region
28Years

Notable Signals

No notable trend signals for Black-crowned Night Heron in Northern Pacific Rainforest. See the full index history below.

Forecast

If the recent trend holds, Black-crowned Night Heron in Northern Pacific Rainforest is projected to fall about 47% by 2027 — from 0.08 in 2022 to a central estimate of 0.04 (95% range 0.00–0.18). A 5-year backtest shows a typical error of ±207.2%, with 100% of held-out values landing inside the 95% band.

-47%Change by 2027
0.04Projected 2027 index
0.000.1895% range
±207.2%Backtest error
19712027
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
20230.040.000.19
20240.040.000.18
20250.040.000.18
20260.040.000.18
20270.040.000.18

Routes In Northern Pacific Rainforest

Routes recording Black-crowned Night Heron in Northern Pacific Rainforest.
Crescent CtyCALIFORNIA62022
CoquilleOREGON21997
HullvilleCALIFORNIA11986
Rio DellCALIFORNIA11992
NavarroCALIFORNIA11990
AlderpointCALIFORNIA11987
LaytonvilleCALIFORNIA11990
YrekaCALIFORNIA12000
Days CreekOREGON11971
Hazel CampOREGON12014
Bunker HillWASHINGTON11982

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