Species · BCR 28 · BBS 2025 Release · 1966–2024

Brown Creeper In Appalachian Mountains

Brown Creeper in Appalachian Mountains has surged: up 15× on the route-weighted index since 1968.

15×Since 1968
138Routes In Region
58Years

Notable Signals

long arc increasecomputed index

Brown Creeper has surged in Appalachian Mountains: up 15× on the route-weighted index since 1968.

Forecast

If the recent trend holds, Brown Creeper in Appalachian Mountains is projected to fall about 20% by 2029 — from 0.29 in 2024 to a central estimate of 0.23 (95% range 0.16–0.31). A 5-year backtest shows a typical error of ±23.6%, with 100% of held-out values landing inside the 95% band.

-20%Change by 2029
0.23Projected 2029 index
0.160.3195% range
±23.6%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
20250.220.150.30
20260.230.150.30
20270.230.150.30
20280.230.160.30
20290.230.160.31

Routes In Appalachian Mountains

Routes recording Brown Creeper in Appalachian Mountains.
McdonoughNEW-YORK62017
Glade Run 2WEST-VIRGINIA52024
CherokeeNORTH-CAROLINA42024
RoulettePENNSYLVANIA42021
AnsoniaPENNSYLVANIA42024
SusquehannaPENNSYLVANIA32024
Newfound GapTENNESSEE32024
Cades CoveTENNESSEE32023
DenmarWEST-VIRGINIA32024
Green BankWEST-VIRGINIA32024
BemisWEST-VIRGINIA32024
JenningsMARYLAND22024
DurhamNEW-YORK21970
Platte CoveNEW-YORK22018
CorbettsvileNEW-YORK22024
CattaraugusNEW-YORK22019
Oxford 2NEW-YORK22024
French Broad RiverNORTH-CAROLINA22024
KyleNORTH-CAROLINA22024
LynchPENNSYLVANIA22024
OdinPENNSYLVANIA22024
EldredPENNSYLVANIA22022
LoguePENNSYLVANIA22008
RosecransPENNSYLVANIA21980
Cherry SprsPENNSYLVANIA22010

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