BirdAnalyst
Species · BCR 20 · BBS 2025 Release · 1966–2024

Cassin's Sparrow In Edwards Plateau

All regionsEdwards PlateauGrassland birds

Cassin's Sparrow in Edwards Plateau has edged down: down 11% on the route-weighted index since 1970.

-11%Since 1970
18Routes In Region
56Years

Notable Signals

No notable trend signals for Cassin's Sparrow in Edwards Plateau. See the full index history below.

Forecast

If the recent trend holds, Cassin's Sparrow in Edwards Plateau is projected to fall about 38% by 2029 — from 4.0 in 2024 to a central estimate of 2.5 (95% range 0.00–7.8). A 5-year backtest shows a typical error of ±71.3%, with 100% of held-out values landing inside the 95% band.

-38%Change by 2029
2.5Projected 2029 index
0.00–7.895% range
±71.3%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
20252.80.008.1
20262.70.008.0
20272.60.008.0
20282.60.007.9
20292.50.007.8

Routes In Edwards Plateau

Routes recording Cassin's Sparrow in Edwards Plateau.
San SabaTEXAS382024
GeorgetownTEXAS91967
AdamsvilleTEXAS92024
MontellTEXAS92024
FitzhughTEXAS81980
Allen CreekTEXAS82023
LeakeyTEXAS42022
UtopiaTEXAS32024
HarperTEXAS22024
PidcokeTEXAS21995
RockspringTEXAS22023
BoerneTEXAS12023
Valley SpgsTEXAS12024
KempnerTEXAS12016
Indian MtnTEXAS12023
Dripping SpgTEXAS12009
ManorTEXAS12024
Prairie Mtn.TEXAS12024

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