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

Little Blue Heron In New England / Mid-Atlantic Coast

All regionsNew England / Mid-Atlantic CoastWetland birds

Little Blue Heron in New England / Mid-Atlantic Coast has fallen sharply: down 52% on the route-weighted index since 1969.

-52%Since 1969
41Routes In Region
48Years

Notable Signals

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

Forecast

If the recent trend holds, Little Blue Heron in New England / Mid-Atlantic Coast is projected to stay roughly flat through 2029, near 0.03 (95% range 0.00–0.11). A 5-year backtest shows a typical error of ±124.6%, with 100% of held-out values landing inside the 95% band.

n/aChange by 2029
0.03Projected 2029 index
0.00–0.1195% range
±124.6%Backtest error
19672029
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
20250.030.000.11
20260.030.000.11
20270.030.000.11
20280.030.000.11
20290.030.000.11

Routes In New England / Mid-Atlantic Coast

Routes recording Little Blue Heron in New England / Mid-Atlantic Coast.
SinepuxentMARYLAND41975
WalnutMARYLAND42005
NortheastMARYLAND31972
ElktonMARYLAND22018
ViennaMARYLAND21987
Severna ParkMARYLAND21991
GreenwichNEW-JERSEY21974
Cape May ChNEW-JERSEY22006
QuinbyVIRGINIA21995
MysticCONNECTICUT11987
Mt PleasantDELAWARE12010
WilmingtonDELAWARE12014
FrankfordDELAWARE11972
Lowes XrdsDELAWARE11975
Bethany BchDELAWARE11975
MiltonDELAWARE11974
BlackbirdDELAWARE12009
Tall TimbersMARYLAND11975
MillingtonMARYLAND12000
EastonMARYLAND12012
HongaMARYLAND12000
MadisonMARYLAND12014
CokesburyMARYLAND12021
NewarkMARYLAND12023
Snow HillMARYLAND11973

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