Species · BCR 36 · BBS 2025 Release · 1966–2024
White-faced Ibis In Tamaulipan Brushlands
White-faced Ibis in Tamaulipan Brushlands has held roughly steady: up 7% on the route-weighted index since 1983.
+7%Since 1983
4Routes In Region
22Years
Notable Signals
No notable trend signals for White-faced Ibis in Tamaulipan Brushlands. See the full index history below.
Forecast
If the recent trend holds, White-faced Ibis in Tamaulipan Brushlands is projected to rise about 453% by 2029 — from 0.17 in 2024 to a central estimate of 0.92 (95% range 0.00–2.9). A 5-year backtest shows a typical error of ±241.5%, with 100% of held-out values landing inside the 95% band.
+453%Change by 2029
0.92Projected 2029 index
0.00–2.995% range
±241.5%Backtest error
| Year | Projected index | 95% low | 95% high |
|---|---|---|---|
| 2025 | 0.92 | 0.00 | 2.9 |
| 2026 | 0.92 | 0.00 | 2.9 |
| 2027 | 0.92 | 0.00 | 2.9 |
| 2028 | 0.92 | 0.00 | 2.9 |
| 2029 | 0.92 | 0.00 | 2.9 |
Routes In Tamaulipan Brushlands
| Heidelberg | TEXAS | 14 | 2022 |
| Progreso | TEXAS | 11 | 2009 |
| Kingsville | TEXAS | 5 | 2011 |
| Raymondville | TEXAS | 2 | 2024 |
Source: USGS North American Breeding Bird Survey, retrieved 2026-05-22.