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

Rufous-crowned Sparrow Population Trend in Oklahoma

All statesGeneralists

Rufous-crowned Sparrow in Oklahoma has surged: up 269% on the route-weighted index since 1969.

+269%Since 1969
10Routes In State
35Years

Notable Rufous-crowned Sparrow Trends in Oklahoma

long arc increasecomputed index

Rufous-crowned Sparrow has surged in Oklahoma: up 269% on the route-weighted index since 1969.

Rufous-crowned Sparrow Population Forecast in Oklahoma

If the recent trend holds, Rufous-crowned Sparrow in Oklahoma is projected to rise about 145% by 2029 — from 0.10 in 2024 to a central estimate of 0.25 (95% range 0.06–0.44). A 5-year backtest shows a typical error of ±66.8%, with 80% of held-out values landing inside the 95% band.

+145%Change by 2029
0.25Projected 2029 index
0.06–0.4495% range
±66.8%Backtest error
19672029
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
20250.240.050.43
20260.240.050.43
20270.240.050.43
20280.250.060.44
20290.250.060.44

Rufous-crowned Sparrow Survey Routes in Oklahoma

Routes recording Rufous-crowned Sparrow in Oklahoma.
Wichita Mtns East420222006
Wichita Mts West220212007
Cooperton220241992
Big Cedar119771976
Blanco119821968
Phroso120242012
Phillips119771977
Mill Creek119771977
Reed120021985
Lookout119741967

Rufous-crowned Sparrow Population Trend in Other States

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