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

Bronzed Cowbird In Edwards Plateau

Bronzed Cowbird in Edwards Plateau has held roughly steady: up 7% on the route-weighted index since 1978.

+7%Since 1978
9Routes In Region
42Years

Notable Signals

No notable trend signals for Bronzed Cowbird in Edwards Plateau. See the full index history below.

Forecast

If the recent trend holds, Bronzed Cowbird in Edwards Plateau is projected to rise about 296% by 2029 — from 0.13 in 2024 to a central estimate of 0.49 (95% range 0.00–1.3). A 5-year backtest shows a typical error of ±297.1%, with 100% of held-out values landing inside the 95% band.

+296%Change by 2029
0.49Projected 2029 index
0.001.395% range
±297.1%Backtest error
19742029
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
20250.490.001.2
20260.490.001.2
20270.490.001.2
20280.490.001.2
20290.490.001.3

Routes In Edwards Plateau

Routes recording Bronzed Cowbird in Edwards Plateau.
San SabaTEXAS21994
Indian MtnTEXAS22003
MontellTEXAS22024
RockspringTEXAS21998
BoerneTEXAS11992
UtopiaTEXAS12023
HarperTEXAS11985
LeakeyTEXAS12005
Prairie Mtn.TEXAS12023

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