BirdAnalyst
Species · BCR 16 · BBS 2025 Release · 1966–2024

Veery In Southern Rockies / Colorado Plateau

All regionsSouthern Rockies / Colorado PlateauForest birds

Veery in Southern Rockies / Colorado Plateau has fallen sharply: down 66% on the route-weighted index since 1970.

-66%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 →
26Routes 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 →

Veery has fallen sharply in Southern Rockies / Colorado Plateau: down 66% on the route-weighted index since 1970.

Veery In Southern Rockies / Colorado Plateau Population Forecast

If the recent trend holds, Veery in Southern Rockies / Colorado Plateau is projected to stay roughly flat through 2029, near 0.01 (95% range 0.00–0.16). A 5-year backtest shows a typical error of ±75.4%, 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 →
0.01Projected 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 →
0.00–0.1695% 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 →
±75.4%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, Veery in Southern Rockies / Colorado Plateau is projected to stay roughly flat through 2029, near 0.01 (95% range 0.00–0.16). A 5-year backtest shows a typical error of ±75.4%, with 100% 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 →
20250.030.000.18
20260.020.000.17
20270.020.000.17
20280.010.000.17
20290.010.000.16

Routes In Southern Rockies / Colorado Plateau

Routes recording Veery in Southern Rockies / Colorado Plateau.
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 →
YampaCOLORADO102023
WarbonnetWYOMING32024
Cheesman LkCOLORADO21999
CastletonCOLORADO21992
AlamosaCOLORADO21988
ComoCOLORADO22023
Fletcher PkWYOMING21981
BufordCOLORADO11989
DeltaCOLORADO11992
ParlinCOLORADO12012
Lost LakeCOLORADO12024
DoylevilleCOLORADO12022
Dolores RivCOLORADO11988
FlattopsCOLORADO12011
Guanella PasCOLORADO12024
Groundhog RsCOLORADO11994
Comanche PkCOLORADO11996
Ragged Mtn.COLORADO11996
South ForkCOLORADO12001
Mount EvansCOLORADO12012
Ojo SarcoNEW-MEXICO12014
Main CanyonUTAH11987
Moon LakeUTAH11998
BrookhurstWYOMING11999
BufordWYOMING12024

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