BirdAnalyst
Species · BCR 18 · BBS 2026 Release · 1966–2025

Scaled Quail In Shortgrass Prairie

All regionsShortgrass PrairieGame birds

Scaled Quail in Shortgrass Prairie has declined: down 38% on the route-weighted index since 1969.

-38%Since 1969TrendPercent 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 →
77Routes 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 Scaled Quail in Shortgrass Prairie. See the full index history below.

Scaled Quail In Shortgrass Prairie Population Forecast

If the recent trend holds, Scaled Quail in Shortgrass Prairie is projected to fall about 30% by 2030 — from 4.9 in 2025 to a central estimate of 3.4 (95% range 0.00–7.8). A 5-year backtest shows a typical error of ±27.2%, with 100% of held-out values landing inside the 95% band.

-30%Change by 2030TrendPercent 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 →
3.4Projected 2030 indexProjected indexThe central forecast of the abundance index if the recent trend continues. A projection of the current trajectory, not a prediction.Full methodology →
0.00–7.895% 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 →
±27.2%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, Scaled Quail in Shortgrass Prairie is projected to fall about 30% by 2030 — from 4.9 in 2025 to a central estimate of 3.4 (95% range 0.00–7.8). A 5-year backtest shows a typical error of ±27.2%, with 100% of held-out values landing inside the 95% band.19672030
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 →
20263.50.007.9
20273.50.007.8
20283.50.007.8
20293.50.007.8
20303.40.007.8

Routes In Shortgrass Prairie

Routes recording Scaled Quail in Shortgrass Prairie.
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 →
HobbsNEW-MEXICO792025
PecosTEXAS522017
PlainsTEXAS392025
LoganNEW-MEXICO372025
San SimonNEW-MEXICO372019
FloydNEW-MEXICO322025
Cooley LakeNEW-MEXICO312025
SkellytownTEXAS312025
WinkTEXAS281986
PepNEW-MEXICO272024
RosebudNEW-MEXICO252025
DalhartTEXAS252025
SedanNEW-MEXICO182025
VariaderoNEW-MEXICO172022
ClovisNEW-MEXICO172024
RankinTEXAS172025
Doyle BridgeCOLORADO151997
KermitTEXAS141999
SaragosaTEXAS132025
MentoneTEXAS122015
Frankel CityTEXAS112022
HaswellCOLORADO102024
SabinosoNEW-MEXICO102021
TucumcariNEW-MEXICO91975
StilesTEXAS92025

Source: USGS North American Breeding Bird Survey, retrieved 2026-08-14.