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
0.00–0.1895% range
±207.2%Backtest error
| Year | Projected index | 95% low | 95% high |
|---|---|---|---|
| 2023 | 0.04 | 0.00 | 0.19 |
| 2024 | 0.04 | 0.00 | 0.18 |
| 2025 | 0.04 | 0.00 | 0.18 |
| 2026 | 0.04 | 0.00 | 0.18 |
| 2027 | 0.04 | 0.00 | 0.18 |
Routes In Northern Pacific Rainforest
| Crescent Cty | CALIFORNIA | 6 | 2022 |
| Coquille | OREGON | 2 | 1997 |
| Hullville | CALIFORNIA | 1 | 1986 |
| Rio Dell | CALIFORNIA | 1 | 1992 |
| Navarro | CALIFORNIA | 1 | 1990 |
| Alderpoint | CALIFORNIA | 1 | 1987 |
| Laytonville | CALIFORNIA | 1 | 1990 |
| Yreka | CALIFORNIA | 1 | 2000 |
| Days Creek | OREGON | 1 | 1971 |
| Hazel Camp | OREGON | 1 | 2014 |
| Bunker Hill | WASHINGTON | 1 | 1982 |
Source: USGS North American Breeding Bird Survey, retrieved 2026-05-22.