BirdAnalyst
Species · BCR 27 · BBS 2025 Release · 1966–2024

Eastern Whip-poor-will In Southeastern Coastal Plain

All regionsSoutheastern Coastal PlainAerial insectivores

Eastern Whip-poor-will in Southeastern Coastal Plain has held roughly steady: down 6% on the route-weighted index since 1968.

-6%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 →
101Routes 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 →
58YearsYears 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 →

No notable trend signals for Eastern Whip-poor-will in Southeastern Coastal Plain. See the full index history below.

Eastern Whip-poor-will In Southeastern Coastal Plain Population Forecast

If the recent trend holds, Eastern Whip-poor-will in Southeastern Coastal Plain is projected to stay roughly flat through 2029, near 0.12 (95% range 0.00–0.24). A 5-year backtest shows a typical error of ±43.4%, with 100% of held-out values landing inside the 95% band.

-4%Change 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 →
0.12Projected 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 →
0.00–0.2495% 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 →
±43.4%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, Eastern Whip-poor-will in Southeastern Coastal Plain is projected to stay roughly flat through 2029, near 0.12 (95% range 0.00–0.24). A 5-year backtest shows a typical error of ±43.4%, 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 →
20250.120.000.24
20260.120.000.24
20270.120.000.24
20280.120.000.24
20290.120.000.24

Routes In Southeastern Coastal Plain

Routes recording Eastern Whip-poor-will in Southeastern Coastal Plain.
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 →
SandhillsSOUTH-CAROLINA72024
PinewoodSOUTH-CAROLINA62017
DillonSOUTH-CAROLINA42000
SweetlipsTENNESSEE42019
DoverGEORGIA32005
WashingtonNORTH-CAROLINA32024
WaverlyVIRGINIA31987
SurryVIRGINIA32008
HowardALABAMA21990
LibertyALABAMA22010
DeepstepGEORGIA22022
PittsGEORGIA21995
ShilohKENTUCKY22013
WalthallMISSISSIPPI21973
ReelsboroNORTH-CAROLINA22018
JamesvilleNORTH-CAROLINA22024
CaytonNORTH-CAROLINA22022
Broad CreekNORTH-CAROLINA22013
Spring HopeNORTH-CAROLINA22024
New HollandSOUTH-CAROLINA22004
WagenerSOUTH-CAROLINA22009
BennettsvilleSOUTH-CAROLINA22013
St FlorianALABAMA11968
HarrellALABAMA12021
WhitehouseALABAMA12016

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