BirdAnalyst
Species · BCR 36 · BBS 2026 Release · 1966–2025

Common Ground Dove In Tamaulipan Brushlands

All regionsTamaulipan BrushlandsGeneralists

Common Ground Dove in Tamaulipan Brushlands has declined: down 35% on the route-weighted index since 1969.

-35%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 →
28Routes 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 Common Ground Dove in Tamaulipan Brushlands. See the full index history below.

Common Ground Dove In Tamaulipan Brushlands Population Forecast

If the recent trend holds, Common Ground Dove in Tamaulipan Brushlands is projected to stay roughly flat through 2030, near 6.4 (95% range 0.00–14). A 5-year backtest shows a typical error of ±55.5%, with 100% of held-out values landing inside the 95% band.

+10%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 →
6.4Projected 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 →
0.00–1495% 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 →
±55.5%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, Common Ground Dove in Tamaulipan Brushlands is projected to stay roughly flat through 2030, near 6.4 (95% range 0.00–14). A 5-year backtest shows a typical error of ±55.5%, 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 →
20266.70.0014
20276.60.0014
20286.50.0014
20296.50.0014
20306.40.0014

Routes In Tamaulipan Brushlands

Routes recording Common Ground Dove in Tamaulipan Brushlands.
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 →
El SauzTEXAS242023
RaymondvilleTEXAS212025
RachalTEXAS122023
San YgnacioTEXAS121985
CatarinaTEXAS122010
MillettTEXAS122012
ZapataTEXAS101987
DilleyTEXAS102025
Millett 2TEXAS102024
GuerraTEXAS92025
HondoTEXAS62025
Mirando CityTEXAS42025
La PryorTEXAS42017
LaredoTEXAS42019
Cavasara Cr.TEXAS42025
RandadoTEXAS32025
EncinalTEXAS32010
El IndioTEXAS32001
Catarina 3TEXAS32025
SejitaTEXAS32024
Pedro CreekTEXAS32005
Agua NuevaTEXAS22023
George WestTEXAS22025
Catarina 2TEXAS22017
Encinal 2TEXAS22025

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