BirdAnalyst
Species · BCR 35 · BBS 2025 Release · 1966–2024

Ladder-backed Woodpecker In Chihuahuan Desert

All regionsChihuahuan DesertForest birds

Ladder-backed Woodpecker in Chihuahuan Desert has declined: down 37% on the route-weighted index since 1969.

-37%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 →
54Routes 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 →
57YearsYears 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 Ladder-backed Woodpecker in Chihuahuan Desert. See the full index history below.

Ladder-backed Woodpecker In Chihuahuan Desert Population Forecast

If the recent trend holds, Ladder-backed Woodpecker in Chihuahuan Desert is projected to stay roughly flat through 2029, near 1.4 (95% range 0.54–2.3). A 5-year backtest shows a typical error of ±16.7%, with 100% of held-out values landing inside the 95% band.

+7%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 →
1.4Projected 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 →
0.54–2.395% 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 →
±16.7%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, Ladder-backed Woodpecker in Chihuahuan Desert is projected to stay roughly flat through 2029, near 1.4 (95% range 0.54–2.3). A 5-year backtest shows a typical error of ±16.7%, with 100% 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 →
20251.40.522.3
20261.40.532.3
20271.40.532.3
20281.40.542.3
20291.40.542.3

Routes In Chihuahuan Desert

Routes recording Ladder-backed Woodpecker in Chihuahuan Desert.
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 →
MesillaNEW-MEXICO92000
Ft. DavisTEXAS72023
GirvinTEXAS62024
Quitman Cyn.TEXAS62009
Red RockNEW-MEXICO52024
PinonNEW-MEXICO52017
Laborcita 2NEW-MEXICO52024
JornadaNEW-MEXICO42024
Capitan Mtn.NEW-MEXICO42017
Casa PiedraTEXAS42023
Bear MtnTEXAS42024
Van HornTEXAS42023
ShafterTEXAS31985
SlaughterTEXAS32014
OzonaTEXAS32021
Salt FlatTEXAS32015
San AntonioNEW-MEXICO21977
RoswellNEW-MEXICO22022
Bitter LakeNEW-MEXICO22019
ComstockTEXAS22023
Black GapTEXAS22023
LongfellowTEXAS22024
Devils R CynTEXAS22024
MarathonTEXAS22023
MarfaTEXAS22023

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