BirdAnalyst
Species · BCR 14 · BBS 2025 Release · 1966–2024

Ruffed Grouse In Atlantic Northern Forest

All regionsAtlantic Northern ForestGeneralists

Ruffed Grouse in Atlantic Northern Forest has declined: down 37% on the route-weighted index since 1968.

-37%Since 1968
137Routes In Region
58Years

Notable Signals

No notable trend signals for Ruffed Grouse in Atlantic Northern Forest. See the full index history below.

Forecast

If the recent trend holds, Ruffed Grouse in Atlantic Northern Forest is projected to fall about 54% by 2029 — from 0.27 in 2024 to a central estimate of 0.13 (95% range 0.00–0.29). A 5-year backtest shows a typical error of ±52.6%, with 100% of held-out values landing inside the 95% band.

-54%Change by 2029
0.13Projected 2029 index
0.00–0.2995% range
±52.6%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
20250.130.000.30
20260.130.000.29
20270.130.000.29
20280.130.000.29
20290.130.000.29

Routes In Atlantic Northern Forest

Routes recording Ruffed Grouse in Atlantic Northern Forest.
WanakenaNEW-YORK122024
BenedictaMAINE52019
MedwayMAINE41998
W RutlandVERMONT42018
BrooksMAINE31995
Weeks BrookMAINE32007
SearsportMAINE32019
Newbury 2VERMONT32023
BiddefordMAINE21985
HartfordMAINE22017
ManchesterMAINE21982
GreenvilleMAINE22018
Ft FairfieldMAINE22004
St DavidMAINE22004
YankeetuladiMAINE22004
Church HillMAINE22006
StacyvilleMAINE22024
AndoverMAINE22018
HancockMASSACHUSETTS22001
Crawford NotNEW-HAMPSHIRE21975
SabattisNEW-YORK21970
Old Forge 2NEW-YORK22014
HardwickVERMONT22005
New HartfordCONNECTICUT11996
NewcastleMAINE12004

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