BirdAnalyst
Species · BCR 24 · BBS 2025 Release · 1966–2024

Black Vulture In Central Hardwoods

All regionsCentral HardwoodsGeneralists

Black Vulture in Central Hardwoods has surged: up 621% on the route-weighted index since 1968.

+621%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 →
113Routes 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 →

long arc increasecomputed 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 →

Black Vulture has surged in Central Hardwoods: up 621% on the route-weighted index since 1968.

Black Vulture In Central Hardwoods Population Forecast

If the recent trend holds, Black Vulture in Central Hardwoods is projected to rise about 59% by 2029 — from 1.3 in 2024 to a central estimate of 2.0 (95% range 1.2–2.9). A 5-year backtest shows a typical error of ±18.4%, with 100% of held-out values landing inside the 95% band.

+59%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 →
2.0Projected 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 →
1.2–2.995% 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 →
±18.4%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, Black Vulture in Central Hardwoods is projected to rise about 59% by 2029 — from 1.3 in 2024 to a central estimate of 2.0 (95% range 1.2–2.9). A 5-year backtest shows a typical error of ±18.4%, 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 →
20251.91.12.8
20261.91.12.8
20272.01.12.8
20282.01.22.9
20292.01.22.9

Routes In Central Hardwoods

Routes recording Black Vulture in Central Hardwoods.
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 →
Wheeler DamALABAMA702023
FarwellARKANSAS492018
PeytonsvilleTENNESSEE252024
KeysburgKENTUCKY232024
BradyvilleTENNESSEE162021
GlencoeKENTUCKY112018
CorydonINDIANA102021
EastviewKENTUCKY102024
White HouseTENNESSEE102019
SwaimALABAMA92023
PimentoINDIANA91997
Lebanon JunctionKENTUCKY92024
Trace CollinwoodTENNESSEE92018
YellvilleARKANSAS82022
Union HillTENNESSEE82024
Beaverdam LkILLINOIS72023
West PlainsMISSOURI72023
HillsboroALABAMA61993
Buena VistaKENTUCKY62017
MincyMISSOURI62024
ColcordOKLAHOMA62022
WrigleyTENNESSEE62022
CampbellsvilleTENNESSEE62017
PetersburgTENNESSEE62012
ElkmontALABAMA52024

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