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

Boat-tailed Grackle In New England / Mid-Atlantic Coast

All regionsNew England / Mid-Atlantic CoastGeneralists

Boat-tailed Grackle in New England / Mid-Atlantic Coast has held roughly steady: down 5% on the route-weighted index since 1968.

-5%Since 1968
23Routes In Region
58Years

Notable Signals

No notable trend signals for Boat-tailed Grackle in New England / Mid-Atlantic Coast. See the full index history below.

Forecast

If the recent trend holds, Boat-tailed Grackle in New England / Mid-Atlantic Coast is projected to rise about 72% by 2029 — from 0.70 in 2024 to a central estimate of 1.2 (95% range 0.00–4.4). A 5-year backtest shows a typical error of ±257.6%, with 100% of held-out values landing inside the 95% band.

+72%Change by 2029
1.2Projected 2029 index
0.00–4.495% range
±257.6%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
20251.20.004.4
20261.20.004.4
20271.20.004.4
20281.20.004.4
20291.20.004.4

Routes In New England / Mid-Atlantic Coast

Routes recording Boat-tailed Grackle in New England / Mid-Atlantic Coast.
QuinbyVIRGINIA652012
Bethany BchDELAWARE641990
Golden HillMARYLAND292008
Ocean CityNEW-JERSEY232024
HarringtonDELAWARE202024
Holleyville 2DELAWARE102009
Lowes XrdsDELAWARE91986
Six PointsNEW-JERSEY92024
BlackbirdDELAWARE82015
MiltonDELAWARE41971
GeorgetownDELAWARE42021
DoverDELAWARE21979
HongaMARYLAND22018
WesthamptonNEW-YORK22000
White StoneVIRGINIA22017
PepperboxDELAWARE12004
MadisonMARYLAND12019
SinepuxentMARYLAND11975
Toms RiverNEW-JERSEY11998
Cape May ChNEW-JERSEY12004
SharpsVIRGINIA12001
Chincoteag WVIRGINIA12024
Cape CharlesVIRGINIA12011

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