BirdAnalyst
Species · BCR 20 · BBS 2025 Release · 1966–2024

Dickcissel In Edwards Plateau

All regionsEdwards PlateauGrassland birds

Dickcissel in Edwards Plateau has held roughly steady: up 7% on the route-weighted index since 1969.

+7%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 →
20Routes 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 →
54YearsYears 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 Dickcissel in Edwards Plateau. See the full index history below.

Dickcissel In Edwards Plateau Population Forecast

If the recent trend holds, Dickcissel in Edwards Plateau is projected to fall about 54% by 2029 — from 15 in 2024 to a central estimate of 7.0 (95% range 0.00–16). A 5-year backtest shows a typical error of ±185.9%, with 60% of held-out values landing inside the 95% band.

-54%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 →
7.0Projected 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 →
0.00–1695% 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 →
±185.9%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, Dickcissel in Edwards Plateau is projected to fall about 54% by 2029 — from 15 in 2024 to a central estimate of 7.0 (95% range 0.00–16). A 5-year backtest shows a typical error of ±185.9%, with 60% of held-out values landing inside the 95% band.19672029
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 →
20256.80.0016
20266.90.0016
20276.90.0016
20287.00.0016
20297.00.0016

Routes In Edwards Plateau

Routes recording Dickcissel in Edwards 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 →
ManorTEXAS712024
Pidcoke 2TEXAS522024
AdamsvilleTEXAS362024
KempnerTEXAS292024
Valley SpgsTEXAS202024
San SabaTEXAS202024
LeanderTEXAS92001
Prairie Mtn.TEXAS92024
GeorgetownTEXAS51985
FitzhughTEXAS51983
HarperTEXAS52023
LeakeyTEXAS52001
RockspringTEXAS52001
Dripping SpgTEXAS32024
UtopiaTEXAS22023
Allen CreekTEXAS22019
BoerneTEXAS12024
PidcokeTEXAS12017
Indian MtnTEXAS12004
MontellTEXAS12024

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