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

Ring-necked Pheasant In New England / Mid-Atlantic Coast

All regionsNew England / Mid-Atlantic CoastGrassland birds

Ring-necked Pheasant in New England / Mid-Atlantic Coast has collapsed: down 98% on the route-weighted index since 1968.

-98%Since 1968TrendPercent change in the route-weighted abundance index between a smoothed baseline window and the most recent one. It tracks direction, not absolute population.Full methodology →
115Routes In RegionSurvey routesHow many standard-protocol BBS routes contributed counts. More routes means a steadier, better-sampled index; very thin coverage is suppressed.Full methodology →
55YearsYears surveyedNumber of years with at least one standard-protocol run in this geography. A longer record makes the trend more reliable.Full methodology →

Notable SignalsNotable signalsLong-arc shifts the engine flags automatically — sustained declines or increases large enough to stand out from year-to-year noise.Full methodology →

long arc declinecomputed indexTrend sourceWhether the figure is our own computed route-weighted index or an official USGS modeled estimate. The current build labels every trend as computed.Full methodology →

Ring-necked Pheasant has collapsed in New England / Mid-Atlantic Coast: down 98% on the route-weighted index since 1968.

Forecast

If the recent trend holds, Ring-necked Pheasant in New England / Mid-Atlantic Coast is projected to stay roughly flat through 2029, near 0.00 (95% range 0.00–0.44). A 5-year backtest shows a typical error of ±1004.7%, with 100% of held-out values landing inside the 95% band.

n/aChange by 2029TrendPercent change in the route-weighted abundance index between a smoothed baseline window and the most recent one. It tracks direction, not absolute population.Full methodology →
0.00Projected 2029 indexProjected indexThe central forecast of the abundance index if the recent trend continues. A projection of the current trajectory, not a prediction.Full methodology →
0.00–0.4495% range95% rangeThe 95% uncertainty band around the projection at the forecast horizon. The true value should land inside it most of the time.Full methodology →
±1004.7%Backtest errorBacktest errorTypical error when we hold out the most recent years, forecast them, and compare to what actually happened. Lower means a more trustworthy projection.Full methodology →
If the recent trend holds, Ring-necked Pheasant in New England / Mid-Atlantic Coast is projected to stay roughly flat through 2029, near 0.00 (95% range 0.00–0.44). A 5-year backtest shows a typical error of ±1004.7%, with 100% of held-out values landing inside the 95% band.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 indexProjected indexThe central forecast of the abundance index if the recent trend continues. A projection of the current trajectory, not a prediction.Full methodology →95% low95% rangeThe 95% uncertainty band around the projection at the forecast horizon. The true value should land inside it most of the time.Full methodology →95% high95% rangeThe 95% uncertainty band around the projection at the forecast horizon. The true value should land inside it most of the time.Full methodology →
20250.000.000.44
20260.000.000.44
20270.000.000.44
20280.000.000.44
20290.000.000.44

Routes In New England / Mid-Atlantic Coast

Routes recording Ring-necked Pheasant in New England / Mid-Atlantic Coast.
Recent countThe raw number of individuals recorded on this route in its most recent survey year. A single-route tally, not a trend.Full methodology →
Sachuest PtRHODE-ISLAND141990
Block IslandRHODE-ISLAND122010
Toms RiverNEW-JERSEY101970
HarmonyMARYLAND71977
DoverNEW-HAMPSHIRE51972
No WoodburyCONNECTICUT41999
JonesMARYLAND31994
ElktonMARYLAND31992
DavidsnvilleMARYLAND31985
MaynardMASSACHUSETTS31996
AncoraNEW-JERSEY31972
WillimanticCONNECTICUT21991
GreenwichCONNECTICUT22000
BlackbirdDELAWARE22009
BeltsvilleMARYLAND21987
Island CreekMARYLAND21999
Fair HillMARYLAND21992
ChilmarkMASSACHUSETTS21981
PrattvilleMASSACHUSETTS22001
MansfieldMASSACHUSETTS21975
E PepperellMASSACHUSETTS21988
MasonvilleNEW-JERSEY21970
PurdyNEW-YORK21991
Quonset PtRHODE-ISLAND21973
ShannockRHODE-ISLAND21986

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