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

Tricolored Heron In New England / Mid-Atlantic Coast

All regionsNew England / Mid-Atlantic CoastWetland birds

Tricolored Heron in New England / Mid-Atlantic Coast has declined: down 39% on the route-weighted index since 1981.

-39%Since 1981
12Routes In Region
21Years

Notable Signals

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

Forecast

If the recent trend holds, Tricolored Heron in New England / Mid-Atlantic Coast is projected to stay roughly flat through 2029, near 0.01 (95% range 0.00–0.03). A 5-year backtest shows a typical error of ±60.2%, with 80% of held-out values landing inside the 95% band.

n/aChange by 2029
0.01Projected 2029 index
0.00–0.0395% range
±60.2%Backtest error
19682029
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
20250.010.000.03
20260.010.000.03
20270.010.000.03
20280.010.000.03
20290.010.000.03

Routes In New England / Mid-Atlantic Coast

Routes recording Tricolored Heron in New England / Mid-Atlantic Coast.
Pepperbox 2DELAWARE22024
VillasNEW-JERSEY21981
QuinbyVIRGINIA21968
HarringtonDELAWARE12007
Lowes XrdsDELAWARE11968
MadisonMARYLAND12003
NewarkMARYLAND11979
Six PointsNEW-JERSEY12014
Ocean CityNEW-JERSEY12024
Cape May ChNEW-JERSEY12011
Chincoteag WVIRGINIA12021
Cape CharlesVIRGINIA12011

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