Species · BCR 36 · BBS 2025 Release · 1966–2024
Tricolored Heron In Tamaulipan Brushlands
Tricolored Heron in Tamaulipan Brushlands has declined: down 26% on the route-weighted index since 1989.
-26%Since 1989
5Routes In Region
16Years
Notable Signals
No notable trend signals for Tricolored Heron in Tamaulipan Brushlands. See the full index history below.
Routes In Tamaulipan Brushlands
| Heidelberg | TEXAS | 3 | 2021 |
| Zapata | TEXAS | 1 | 1987 |
| Kingsville | TEXAS | 1 | 1992 |
| Raymondville | TEXAS | 1 | 2008 |
| Progreso | TEXAS | 1 | 2009 |
Source: USGS North American Breeding Bird Survey, retrieved 2026-05-22.