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

Cooper's Hawk In New England / Mid-Atlantic Coast

All regionsNew England / Mid-Atlantic CoastGeneralists

Cooper's Hawk in New England / Mid-Atlantic Coast has surged: up 14× on the route-weighted index since 1968.

14×Since 1968
113Routes In Region
51Years

Notable Signals

long arc increasecomputed index

Cooper's Hawk has surged in New England / Mid-Atlantic Coast: up 14× on the route-weighted index since 1968.

Forecast

If the recent trend holds, Cooper's Hawk in New England / Mid-Atlantic Coast is projected to fall about 10% by 2029 — from 0.24 in 2024 to a central estimate of 0.21 (95% range 0.12–0.30). A 5-year backtest shows a typical error of ±22.3%, with 100% of held-out values landing inside the 95% band.

-10%Change by 2029
0.21Projected 2029 index
0.12–0.3095% range
±22.3%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
20250.200.110.29
20260.200.110.29
20270.200.120.29
20280.210.120.30
20290.210.120.30

Routes In New England / Mid-Atlantic Coast

Routes recording Cooper's Hawk in New England / Mid-Atlantic Coast.
NewburyportMASSACHUSETTS32022
HolleyvilleDELAWARE22003
Holleyville 2DELAWARE22018
St. George'S IslandMARYLAND22017
Pr FrederickMARYLAND22022
East KingstonNEW-HAMPSHIRE22009
CranburyNEW-JERSEY22024
Wallum LakeRHODE-ISLAND22017
MysticCONNECTICUT12021
BuckinghamCONNECTICUT12014
UncasvilleCONNECTICUT12015
WoodstockCONNECTICUT11981
WestbrookCONNECTICUT12019
WillimanticCONNECTICUT12005
No WoodburyCONNECTICUT12012
ShermanCONNECTICUT11982
GreenwichCONNECTICUT12009
DanburyCONNECTICUT12015
WarrenCONNECTICUT12002
Mid HaddamCONNECTICUT12015
SouthingtonCONNECTICUT12016
Woodstock 2CONNECTICUT12016
Warren 2CONNECTICUT12022
GranbyCONNECTICUT12021
Mt PleasantDELAWARE12006

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