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

Greater Roadrunner In Southern Rockies / Colorado Plateau

All regionsSouthern Rockies / Colorado PlateauArid-land birds

Greater Roadrunner in Southern Rockies / Colorado Plateau has held roughly steady: up 4% on the route-weighted index since 1972.

+4%Since 1972TrendPercent 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 →
32Routes 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 →
48YearsYears 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 Greater Roadrunner in Southern Rockies / Colorado Plateau. See the full index history below.

Greater Roadrunner In Southern Rockies / Colorado Plateau Population Forecast

If the recent trend holds, Greater Roadrunner in Southern Rockies / Colorado Plateau is projected to fall about 74% by 2029 — from 0.08 in 2024 to a central estimate of 0.02 (95% range 0.00–0.08). A 5-year backtest shows a typical error of ±38.2%, with 100% of held-out values landing inside the 95% band.

-74%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 →
0.02Projected 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 →
0.00–0.0895% 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 →
±38.2%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, Greater Roadrunner in Southern Rockies / Colorado Plateau is projected to fall about 74% by 2029 — from 0.08 in 2024 to a central estimate of 0.02 (95% range 0.00–0.08). A 5-year backtest shows a typical error of ±38.2%, 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 →
20250.020.000.09
20260.020.000.09
20270.020.000.09
20280.020.000.09
20290.020.000.08

Routes In Southern Rockies / Colorado Plateau

Routes recording Greater Roadrunner 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 →
ZeniffARIZONA21984
ToroweapARIZONA22013
Horse MtnNEW-MEXICO22024
PasturaNEW-MEXICO22015
Salt Lake 2NEW-MEXICO22024
ShivwitzUTAH22024
Rose WellsARIZONA11970
HuntARIZONA11996
Navajo TrailARIZONA12009
Peach SpringARIZONA12024
SeligmanARIZONA12019
Gribbles PrkCOLORADO12001
WalsenburgCOLORADO11997
LudlowCOLORADO12002
CebollaNEW-MEXICO12018
La CienegaNEW-MEXICO12016
PecosNEW-MEXICO12016
Fence LakeNEW-MEXICO12018
CorreoNEW-MEXICO11976
ValenciaNEW-MEXICO11995
ClaunchNEW-MEXICO12000
Horse SpgsNEW-MEXICO12023
QuemadoNEW-MEXICO11995
MountainairNEW-MEXICO12024
Cerro VerdeNEW-MEXICO12016

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