BirdAnalyst
Species · BCR 9 · BBS 2025 Release · 1966–2024

Eastern Kingbird In Great Basin

All regionsGreat BasinAerial insectivores

Eastern Kingbird in Great Basin has edged down: down 19% on the route-weighted index since 1970.

-19%Since 1970TrendPercent 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 →
108Routes 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 →
56YearsYears 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 Eastern Kingbird in Great Basin. See the full index history below.

Eastern Kingbird In Great Basin Population Forecast

If the recent trend holds, Eastern Kingbird in Great Basin is projected to rise about 23% by 2029 — from 0.59 in 2024 to a central estimate of 0.73 (95% range 0.33–1.1). A 5-year backtest shows a typical error of ±14.9%, with 100% of held-out values landing inside the 95% band.

+23%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 →
0.73Projected 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 →
0.33–1.195% 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 →
±14.9%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, Eastern Kingbird in Great Basin is projected to rise about 23% by 2029 — from 0.59 in 2024 to a central estimate of 0.73 (95% range 0.33–1.1). A 5-year backtest shows a typical error of ±14.9%, with 100% 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 →
20250.740.331.1
20260.740.331.1
20270.730.331.1
20280.730.331.1
20290.730.331.1

Routes In Great Basin

Routes recording Eastern Kingbird in Great Basin.
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 →
Ewan 2WASHINGTON162024
BrewsterWASHINGTON122015
WapatoWASHINGTON122014
Turnbull NwrWASHINGTON122023
EwanWASHINGTON112019
YakimaWASHINGTON102024
Horn RapidsWASHINGTON82024
Fish LakeOREGON62024
NighthawkWASHINGTON62024
MesaWASHINGTON52008
Columbia NwrWASHINGTON52022
Kyle CanyonIDAHO42022
JosephOREGON42024
ZumwaltOREGON42002
NewhalemWASHINGTON42024
TwispWASHINGTON42024
EllensburgWASHINGTON42024
PomeroyWASHINGTON42024
GiffordIDAHO32017
BakerIDAHO32024
DuboisIDAHO32023
PocatelloIDAHO31989
PrestonIDAHO32023
WagontireOREGON31972
UmatillaOREGON32023

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