BirdAnalyst
Species · BCR 16 · BBS 2025 Release · 1966–2024

Black-throated Sparrow In Southern Rockies / Colorado Plateau

All regionsSouthern Rockies / Colorado PlateauArid-land birds

Black-throated Sparrow in Southern Rockies / Colorado Plateau has declined: down 44% on the route-weighted index since 1970.

-44%Since 1970
104Routes In Region
56Years

Notable Signals

No notable trend signals for Black-throated Sparrow in Southern Rockies / Colorado Plateau. See the full index history below.

Forecast

If the recent trend holds, Black-throated Sparrow in Southern Rockies / Colorado Plateau is projected to stay roughly flat through 2029, near 4.5 (95% range 1.3–7.8). A 5-year backtest shows a typical error of ±16.1%, with 100% of held-out values landing inside the 95% band.

-7%Change by 2029
4.5Projected 2029 index
1.3–7.895% range
±16.1%Backtest error
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 index95% low95% high
20254.51.27.7
20264.51.27.7
20274.51.37.7
20284.51.37.7
20294.51.37.8

Routes In Southern Rockies / Colorado Plateau

Routes recording Black-throated Sparrow in Southern Rockies / Colorado Plateau.
Navajo TrailARIZONA682024
ShivwitzUTAH662024
NotomUTAH592024
PageARIZONA572019
ToroweapARIZONA512024
Arches NpUTAH492011
House RockARIZONA322022
Glen CanyonUTAH312024
Bullfrog BayUTAH312017
Desert ViewUTAH302024
CanyonlandsUTAH302006
NageesiNEW-MEXICO292024
CanyonlandsUTAH292024
Peach SpringARIZONA262024
AntonitoCOLORADO261996
HiteUTAH262023
MountainairNEW-MEXICO252024
Moquith MtnUTAH252024
The GapARIZONA231976
La Plata 2NEW-MEXICO222016
HatchUTAH202024
VernalUTAH191999
Gilson ButteUTAH182004
HanksvilleUTAH172024
AnethUTAH172024

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