BirdAnalyst
Species · BCR 10 · BBS 2025 Release · 1966–2024

Say's Phoebe In Northern Rockies

All regionsNorthern RockiesAerial insectivores

Say's Phoebe in Northern Rockies has surged: up 220% on the route-weighted index since 1970.

+220%Since 1970
129Routes In Region
56Years

Notable Signals

long arc increasecomputed index

Say's Phoebe has surged in Northern Rockies: up 220% on the route-weighted index since 1970.

Forecast

If the recent trend holds, Say's Phoebe in Northern Rockies is projected to fall about 50% by 2029 — from 0.63 in 2024 to a central estimate of 0.31 (95% range 0.00–2.4). A 5-year backtest shows a typical error of ±21.8%, with 100% of held-out values landing inside the 95% band.

-50%Change by 2029
0.31Projected 2029 index
0.00–2.495% range
±21.8%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
20250.380.002.5
20260.370.002.5
20270.350.002.4
20280.330.002.4
20290.310.002.4

Routes In Northern Rockies

Routes recording Say's Phoebe in Northern Rockies.
Patrick DrawWYOMING201980
LaurelMONTANA122022
L Pend O NwrWASHINGTON72024
BridgeportOREGON62022
TwickenhamOREGON62024
Patrick Draw 2WYOMING61983
DonnybrookOREGON51997
NowoodWYOMING52024
GeboWYOMING52024
Patrick Draw 6WYOMING52013
MaybellCOLORADO42024
Muddy CreekMONTANA42015
Pryor Mtn.MONTANA42018
RandolphUTAH42024
Crawford MtsUTAH42010
TensleepWYOMING42024
LayCOLORADO32024
CoolinIDAHO32024
SpartaOREGON32001
MonumentOREGON32024
SilviesOREGON31994
WoodruffUTAH32017
ChewelahWASHINGTON32021
Deer ParkWASHINGTON32015
CodyWYOMING32024

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