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

Northern Waterthrush In Appalachian Mountains

All regionsAppalachian MountainsForest birds

Northern Waterthrush in Appalachian Mountains has held roughly steady: down 4% on the route-weighted index since 1968.

-4%Since 1968
84Routes In Region
58Years

Notable Signals

No notable trend signals for Northern Waterthrush in Appalachian Mountains. See the full index history below.

Forecast

If the recent trend holds, Northern Waterthrush in Appalachian Mountains is projected to fall about 48% by 2029 — from 0.05 in 2024 to a central estimate of 0.03 (95% range 0.00–0.07). A 5-year backtest shows a typical error of ±47.2%, with 80% of held-out values landing inside the 95% band.

-48%Change by 2029
0.03Projected 2029 index
0.00–0.0795% range
±47.2%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
20250.030.000.07
20260.030.000.07
20270.030.000.07
20280.030.000.07
20290.030.000.07

Routes In Appalachian Mountains

Routes recording Northern Waterthrush in Appalachian Mountains.
Glade Run 2WEST-VIRGINIA102024
RosecransPENNSYLVANIA41979
RavensburgPENNSYLVANIA31978
GladyWEST-VIRGINIA32023
VindexMARYLAND22014
MidvaleNEW-JERSEY21990
RamseysburgNEW-JERSEY22023
E NewarkNEW-YORK21971
RoulettePENNSYLVANIA21974
LoguePENNSYLVANIA21999
Marsh HillPENNSYLVANIA22024
WallerPENNSYLVANIA22017
Pocono SummitPENNSYLVANIA21997
VirginiaPENNSYLVANIA21973
St CollegePENNSYLVANIA21977
ClearfieldPENNSYLVANIA21981
Iron Mtn.VIRGINIA21992
DaileyWEST-VIRGINIA22022
Mt NeboMARYLAND11972
JenningsMARYLAND12015
Kemah LakeNEW-JERSEY11974
BloomsburyNEW-JERSEY11996
High PointNEW-JERSEY12006
DoverNEW-JERSEY12015
RiftonNEW-YORK11981

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