Species · BCR 30 · BBS 2025 Release · 1966–2024

Barred Owl In New England / Mid-Atlantic Coast

Barred Owl in New England / Mid-Atlantic Coast has surged: up 344% on the route-weighted index since 1968.

+344%Since 1968
92Routes In Region
57Years

Notable Signals

long arc increasecomputed index

Barred Owl has surged in New England / Mid-Atlantic Coast: up 344% on the route-weighted index since 1968.

Forecast

If the recent trend holds, Barred Owl in New England / Mid-Atlantic Coast is projected to fall about 32% by 2029 — from 0.24 in 2024 to a central estimate of 0.16 (95% range 0.07–0.26). A 5-year backtest shows a typical error of ±53.5%, with 40% of held-out values landing inside the 95% band.

-32%Change by 2029
0.16Projected 2029 index
0.070.2695% range
±53.5%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
20250.150.060.25
20260.160.060.25
20270.160.060.26
20280.160.060.26
20290.160.070.26

Routes In New England / Mid-Atlantic Coast

Routes recording Barred Owl in New England / Mid-Atlantic Coast.
BelchertownMASSACHUSETTS52024
GreenwichCONNECTICUT42014
StraffordNEW-HAMPSHIRE42021
Mid HaddamCONNECTICUT32024
BeltsvilleMARYLAND32004
CokesburyMARYLAND32024
NewarkMARYLAND31974
BrentwoodNEW-HAMPSHIRE31971
BuckinghamCONNECTICUT22022
UncasvilleCONNECTICUT22018
WarrenCONNECTICUT22010
FrankfordDELAWARE21976
CheltenhamMARYLAND21988
MillingtonMARYLAND22022
MelitotaMARYLAND22014
HarmonyMARYLAND21986
Golden HillMARYLAND22011
Forest GroveMARYLAND22018
Island CreekMARYLAND22023
HoldenMASSACHUSETTS22022
Spraguetown 3NEW-JERSEY22023
GloucesterVIRGINIA22009
TruhartVIRGINIA22024
MysticCONNECTICUT12021
WillimanticCONNECTICUT12016

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