Species · BCR 30 · BBS 2025 Release · 1966–2024
Brown Creeper In New England / Mid-Atlantic Coast
Brown Creeper in New England / Mid-Atlantic Coast has surged: up 371% on the route-weighted index since 1968.
+371%Since 1968
57Routes In Region
58Years
Notable Signals
long arc increasecomputed index
Brown Creeper has surged in New England / Mid-Atlantic Coast: up 371% on the route-weighted index since 1968.
Forecast
If the recent trend holds, Brown Creeper in New England / Mid-Atlantic Coast is projected to fall about 38% by 2029 — from 0.22 in 2024 to a central estimate of 0.14 (95% range 0.03–0.25). A 5-year backtest shows a typical error of ±31.2%, with 100% of held-out values landing inside the 95% band.
-38%Change by 2029
0.14Projected 2029 index
0.03–0.2595% range
±31.2%Backtest error
| Year | Projected index | 95% low | 95% high |
|---|---|---|---|
| 2025 | 0.14 | 0.02 | 0.25 |
| 2026 | 0.14 | 0.02 | 0.25 |
| 2027 | 0.14 | 0.03 | 0.25 |
| 2028 | 0.14 | 0.03 | 0.25 |
| 2029 | 0.14 | 0.03 | 0.25 |
Routes In New England / Mid-Atlantic Coast
| Casimir Pulaski Sf | RHODE-ISLAND | 6 | 2018 |
| Granby | CONNECTICUT | 3 | 2024 |
| Belchertown | MASSACHUSETTS | 3 | 2024 |
| Dover | NEW-HAMPSHIRE | 3 | 2024 |
| Sherman | CONNECTICUT | 2 | 1992 |
| Maynard | MASSACHUSETTS | 2 | 2022 |
| Mystic | CONNECTICUT | 1 | 1989 |
| E Hartland | CONNECTICUT | 1 | 1984 |
| Buckingham | CONNECTICUT | 1 | 2001 |
| Uncasville | CONNECTICUT | 1 | 2014 |
| Woodstock | CONNECTICUT | 1 | 1990 |
| Westbrook | CONNECTICUT | 1 | 1992 |
| Willimantic | CONNECTICUT | 1 | 2005 |
| No Woodbury | CONNECTICUT | 1 | 1985 |
| Greenwich | CONNECTICUT | 1 | 1984 |
| Danbury | CONNECTICUT | 1 | 1972 |
| Warren | CONNECTICUT | 1 | 2011 |
| Long Hill | CONNECTICUT | 1 | 2017 |
| Mid Haddam | CONNECTICUT | 1 | 1987 |
| Woodstock 2 | CONNECTICUT | 1 | 2024 |
| Warren 2 | CONNECTICUT | 1 | 2024 |
| Kittery Pt | MAINE | 1 | 2022 |
| Indiantown | MARYLAND | 1 | 1982 |
| E Dennis | MASSACHUSETTS | 1 | 2008 |
| Chilmark | MASSACHUSETTS | 1 | 1981 |
Source: USGS North American Breeding Bird Survey, retrieved 2026-05-22.