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

Clapper Rail In New England / Mid-Atlantic Coast

All regionsNew England / Mid-Atlantic CoastWetland birds

Clapper Rail in New England / Mid-Atlantic Coast has surged: up 399% on the route-weighted index since 1968.

+399%Since 1968
25Routes In Region
57Years

Notable Signals

long arc increasecomputed index

Clapper Rail has surged in New England / Mid-Atlantic Coast: up 399% on the route-weighted index since 1968.

Forecast

If the recent trend holds, Clapper Rail in New England / Mid-Atlantic Coast is projected to fall about 11% by 2029 — from 0.43 in 2024 to a central estimate of 0.39 (95% range 0.20–0.57). A 5-year backtest shows a typical error of ±34.7%, with 80% of held-out values landing inside the 95% band.

-11%Change by 2029
0.39Projected 2029 index
0.20–0.5795% range
±34.7%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
20250.370.180.55
20260.370.180.56
20270.380.190.56
20280.380.190.57
20290.390.200.57

Routes In New England / Mid-Atlantic Coast

Routes recording Clapper Rail in New England / Mid-Atlantic Coast.
HarringtonDELAWARE142021
Ocean CityNEW-JERSEY112024
HongaMARYLAND102024
MadisonMARYLAND92024
Cape CharlesVIRGINIA51996
MiltonDELAWARE41975
Bethany BchDELAWARE31990
Lowes XrdsDELAWARE21976
BerlinMARYLAND21986
Six PointsNEW-JERSEY22019
Jones BeachNEW-YORK21995
White StoneVIRGINIA22018
WestbrookCONNECTICUT11984
DoverDELAWARE11979
BlackbirdDELAWARE12024
GeorgetownDELAWARE12011
Pepperbox 2DELAWARE12018
MelitotaMARYLAND11995
CokesburyMARYLAND12024
GreenwichNEW-JERSEY12001
WesthamptonNEW-YORK11984
HuntingtonNEW-YORK11995
QuinbyVIRGINIA12012
GloucesterVIRGINIA12008
Chincoteag WVIRGINIA12024

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