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

King Rail In New England / Mid-Atlantic Coast

All regionsNew England / Mid-Atlantic CoastWetland birds

King Rail in New England / Mid-Atlantic Coast has surged: up 117% on the route-weighted index since 1974.

+117%Since 1974
9Routes In Region
30Years

Notable Signals

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

Forecast

If the recent trend holds, King Rail in New England / Mid-Atlantic Coast is projected to fall about 57% by 2029 — from 0.05 in 2024 to a central estimate of 0.02 (95% range 0.00–0.04). A 5-year backtest shows a typical error of ±46.7%, with 60% of held-out values landing inside the 95% band.

-57%Change by 2029
0.02Projected 2029 index
0.00–0.0495% range
±46.7%Backtest error
19712029
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
20250.020.000.04
20260.020.000.04
20270.020.000.04
20280.020.000.04
20290.020.000.04

Routes In New England / Mid-Atlantic Coast

Routes recording King Rail in New England / Mid-Atlantic Coast.
HongaMARYLAND22024
MadisonMARYLAND22024
WestbrookCONNECTICUT11999
MiltonDELAWARE11971
MelitotaMARYLAND11974
Golden HillMARYLAND11975
CokesburyMARYLAND11973
Six PointsNEW-JERSEY11997
Chincoteag WVIRGINIA11992

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