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
0.030.2595% range
±31.2%Backtest error
19662029
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
20250.140.020.25
20260.140.020.25
20270.140.030.25
20280.140.030.25
20290.140.030.25

Routes In New England / Mid-Atlantic Coast

Routes recording Brown Creeper in New England / Mid-Atlantic Coast.
Casimir Pulaski SfRHODE-ISLAND62018
GranbyCONNECTICUT32024
BelchertownMASSACHUSETTS32024
DoverNEW-HAMPSHIRE32024
ShermanCONNECTICUT21992
MaynardMASSACHUSETTS22022
MysticCONNECTICUT11989
E HartlandCONNECTICUT11984
BuckinghamCONNECTICUT12001
UncasvilleCONNECTICUT12014
WoodstockCONNECTICUT11990
WestbrookCONNECTICUT11992
WillimanticCONNECTICUT12005
No WoodburyCONNECTICUT11985
GreenwichCONNECTICUT11984
DanburyCONNECTICUT11972
WarrenCONNECTICUT12011
Long HillCONNECTICUT12017
Mid HaddamCONNECTICUT11987
Woodstock 2CONNECTICUT12024
Warren 2CONNECTICUT12024
Kittery PtMAINE12022
IndiantownMARYLAND11982
E DennisMASSACHUSETTS12008
ChilmarkMASSACHUSETTS11981

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