BirdAnalyst
Species · BCR 10 · BBS 2025 Release · 1966–2024

Veery In Northern Rockies

All regionsNorthern RockiesForest birds

Veery in Northern Rockies has fallen sharply: down 70% on the route-weighted index since 1970.

-70%Since 1970TrendPercent 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 →
91Routes 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 →
56YearsYears 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 →

Veery has fallen sharply in Northern Rockies: down 70% on the route-weighted index since 1970.

Veery In Northern Rockies Population Forecast

If the recent trend holds, Veery in Northern Rockies is projected to fall about 100% by 2029 — from 0.96 in 2024 to a central estimate of 0.00 (95% range 0.00–1.1). A 5-year backtest shows a typical error of ±102.2%, with 20% of held-out values landing inside the 95% band.

-100%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 →
0.00Projected 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 →
0.00–1.195% 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 →
±102.2%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, Veery in Northern Rockies is projected to fall about 100% by 2029 — from 0.96 in 2024 to a central estimate of 0.00 (95% range 0.00–1.1). A 5-year backtest shows a typical error of ±102.2%, with 20% of held-out values landing inside the 95% band.19682029
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 →
20250.190.001.3
20260.140.001.2
20270.080.001.2
20280.030.001.1
20290.000.001.1

Routes In Northern Rockies

Routes recording Veery in Northern Rockies.
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 →
Omak CreekWASHINGTON292024
ChallisIDAHO242024
CurlewWASHINGTON232013
KellerWASHINGTON172007
ChestnutMONTANA162024
East Glacier ParkMONTANA162024
Twin LakesWASHINGTON112024
CentervilleIDAHO92019
CobaltIDAHO82015
AlpineWYOMING81992
AlturasIDAHO71985
Pagil GulchMONTANA72019
Spring LakeWASHINGTON72024
Clyde ParkMONTANA52024
BridgeportOREGON52004
LaurierWASHINGTON52022
Deer ParkWASHINGTON52015
ClintonMONTANA42024
EllistonMONTANA42024
St. Mary 2MONTANA42024
NorthportWASHINGTON42024
NaplesIDAHO32024
CascadeIDAHO31972
Yellow PineIDAHO32016
SunbeamIDAHO32009

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