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

Canada Warbler In Appalachian Mountains

Canada Warbler in Appalachian Mountains has risen sharply: up 73% on the route-weighted index since 1968.

+73%Since 1968
145Routes In Region
58Years

Notable Signals

long arc increasecomputed index

Canada Warbler has risen sharply in Appalachian Mountains: up 73% on the route-weighted index since 1968.

Forecast

If the recent trend holds, Canada Warbler in Appalachian Mountains is projected to stay roughly flat through 2029, near 0.41 (95% range 0.29–0.54). A 5-year backtest shows a typical error of ±25.9%, with 80% of held-out values landing inside the 95% band.

+2%Change by 2029
0.41Projected 2029 index
0.290.5495% range
±25.9%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
20250.400.270.52
20260.400.280.53
20270.410.280.53
20280.410.280.54
20290.410.290.54

Routes In Appalachian Mountains

Routes recording Canada Warbler in Appalachian Mountains.
KyleNORTH-CAROLINA112024
Glade Run 2WEST-VIRGINIA102024
French Broad RiverNORTH-CAROLINA82024
N. Mills RivNORTH-CAROLINA71995
AndrewsNORTH-CAROLINA61998
CherokeeNORTH-CAROLINA62024
RichwoodWEST-VIRGINIA62024
LinvilleNORTH-CAROLINA52024
Marsh HillPENNSYLVANIA52024
StarlightPENNSYLVANIA41992
DuboistownPENNSYLVANIA42024
Broad Mtn.PENNSYLVANIA42024
Newfound GapTENNESSEE42024
Mountain Lk.VIRGINIA42018
GladyWEST-VIRGINIA42024
PoyntellePENNSYLVANIA32024
AnsoniaPENNSYLVANIA32023
Cades CoveTENNESSEE32017
Glade RunWEST-VIRGINIA32002
BemisWEST-VIRGINIA32024
JenningsMARYLAND22024
S BerneNEW-YORK22012
LaurensNEW-YORK22023
OneontaNEW-YORK22011
OxfordNEW-YORK21971

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