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

Juniper Titmouse In Chihuahuan Desert

All regionsChihuahuan DesertForest birds

Juniper Titmouse in Chihuahuan Desert has edged down: down 15% on the route-weighted index since 1974.

-15%Since 1974TrendPercent 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 →
5Routes 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 →
43YearsYears 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 Juniper Titmouse in Chihuahuan Desert. See the full index history below.

Juniper Titmouse In Chihuahuan Desert Population Forecast

If the recent trend holds, Juniper Titmouse in Chihuahuan Desert is projected to fall about 25% by 2029 — from 0.41 in 2024 to a central estimate of 0.31 (95% range 0.00–0.62). A 5-year backtest shows a typical error of ±336.8%, with 60% of held-out values landing inside the 95% band.

-25%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 →
0.31Projected 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 →
0.00–0.6295% 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 →
±336.8%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, Juniper Titmouse in Chihuahuan Desert is projected to fall about 25% by 2029 — from 0.41 in 2024 to a central estimate of 0.31 (95% range 0.00–0.62). A 5-year backtest shows a typical error of ±336.8%, with 60% 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 →
20250.310.000.62
20260.310.000.62
20270.310.000.62
20280.310.000.62
20290.310.000.62

Routes In Chihuahuan Desert

Routes recording Juniper Titmouse 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 →
Capitan Mtn.NEW-MEXICO102017
CarrizozoNEW-MEXICO72024
PinonNEW-MEXICO52024
Red RockNEW-MEXICO12004
QueenNEW-MEXICO12019

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