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

Ruddy Duck In Great Basin

All regionsGreat BasinWaterfowl

Ruddy Duck in Great Basin has surged: up 134% on the route-weighted index since 1971.

+134%Since 1971
66Routes In Region
55Years

Notable Signals

long arc increasecomputed index

Ruddy Duck has surged in Great Basin: up 134% on the route-weighted index since 1971.

Forecast

If the recent trend holds, Ruddy Duck in Great Basin is projected to rise about 70% by 2029 — from 0.46 in 2024 to a central estimate of 0.78 (95% range 0.00–2.9). A 5-year backtest shows a typical error of ±127.5%, with 100% of held-out values landing inside the 95% band.

+70%Change by 2029
0.78Projected 2029 index
0.00–2.995% range
±127.5%Backtest error
19692029
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
20250.830.002.9
20260.820.002.9
20270.810.002.9
20280.790.002.9
20290.780.002.9

Routes In Great Basin

Routes recording Ruddy Duck in Great Basin.
Virgin CreekNEVADA282018
LikelyCALIFORNIA152024
DorrisCALIFORNIA142019
Bald Mtn.NEVADA122024
Fish LakeOREGON112023
BentonCALIFORNIA102024
GoshenUTAH102006
TonasketWASHINGTON102017
WilburWASHINGTON102005
PrincetonOREGON91983
Blizzard GapOREGON92023
Dobbin CreekNEVADA62017
BrewsterWASHINGTON62018
MadelineCALIFORNIA52024
Iron SpringsIDAHO52024
Catlow RimOREGON52024
IngallsCALIFORNIA41994
MacdoelCALIFORNIA41995
Iron GateCALIFORNIA42008
Cedar HillIDAHO42015
CortezNEVADA42024
SheavilleOREGON42013
Gold HillUTAH42015
Bear RiverUTAH42023
KeystoneWASHINGTON42012

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