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

White-throated Swift In Southern Rockies / Colorado Plateau

White-throated Swift in Southern Rockies / Colorado Plateau has edged down: down 16% on the route-weighted index since 1970.

-16%Since 1970
144Routes In Region
56Years

Notable Signals

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

Forecast

If the recent trend holds, White-throated Swift in Southern Rockies / Colorado Plateau is projected to rise about 153% by 2029 — from 0.70 in 2024 to a central estimate of 1.8 (95% range 0.00–3.9). A 5-year backtest shows a typical error of ±164.8%, with 100% of held-out values landing inside the 95% band.

+153%Change by 2029
1.8Projected 2029 index
0.003.995% range
±164.8%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
20251.80.003.9
20261.80.003.9
20271.80.003.9
20281.80.003.9
20291.80.003.9

Routes In Southern Rockies / Colorado Plateau

Routes recording White-throated Swift in Southern Rockies / Colorado Plateau.
Arches NpUTAH962011
La SalUTAH361999
WellingtonUTAH322002
CastletonUTAH291985
RosevaleCOLORADO182024
ShivwitzUTAH172024
Gilson ButteUTAH122004
ClevelandUTAH112024
CanyonlandsUTAH112006
Many FarmsARIZONA102005
CastletonCOLORADO101991
Rifle FallsCOLORADO102021
BoulderUTAH102018
CanyonlandsUTAH102022
Round RockARIZONA91976
GreasewoodARIZONA81993
HiteUTAH72021
YampaiARIZONA61971
Douglas PassCOLORADO62024
UncompahgreCOLORADO62019
CortezCOLORADO62006
Piceance BasinCOLORADO62003
HanksvilleUTAH62010
KamasUTAH62018
Dolores RivCOLORADO51995

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