BirdAnalyst
Species · Oregon · BBS 2025 Release · 1966–2024

Cinnamon Teal Population Trend in Oregon

All statesWaterfowl

Cinnamon Teal in Oregon has fallen sharply: down 58% on the route-weighted index since 1971.

-58%Since 1971
53Routes In State
55Years

Notable Cinnamon Teal Trends in Oregon

long arc declinecomputed index

Cinnamon Teal has fallen sharply in Oregon: down 58% on the route-weighted index since 1971.

Cinnamon Teal Population Forecast in Oregon

If the recent trend holds, Cinnamon Teal in Oregon is projected to fall about 100% by 2029 — from 0.37 in 2024 to a central estimate of 0.00 (95% range 0.00–2.3). A 5-year backtest shows a typical error of ±105.7%, with 100% of held-out values landing inside the 95% band.

-100%Change by 2029
0.00Projected 2029 index
0.00–2.395% range
±105.7%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
20250.030.002.4
20260.000.002.3
20270.000.002.3
20280.000.002.3
20290.000.002.3

Cinnamon Teal Survey Routes in Oregon

Routes recording Cinnamon Teal in Oregon.
Blizzard Gap1720231984
Princeton1419851972
Warner Vally1320241993
Barnes Val1119871971
Sparta1020011971
Fish Lake1020231972
Catlow Rim1020241993
Lone Rock820152004
Dayton819931991
Modoc Point 2620242024
Adair620221998
Silver Creek420041990
Umatilla420211991
Zumwalt320051995
Willow Spg319711969
Adrian319901984
Bly320011973
Albee220001989
Bridgeport220041995
Fandango Can219981998
Malheur Nwr219981986
Alvord Lake220062006
Joseph220241974
Eagle Rock219761973
Svensen219911991

Cinnamon Teal Population Trend in Other States

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