Species · BCR 36 · BBS 2025 Release · 1966–2024
Lesser Nighthawk In Tamaulipan Brushlands
Lesser Nighthawk in Tamaulipan Brushlands has fallen sharply: down 54% on the route-weighted index since 1969.
-54%Since 1969
28Routes In Region
57Years
Notable Signals
long arc declinecomputed index
Lesser Nighthawk has fallen sharply in Tamaulipan Brushlands: down 54% on the route-weighted index since 1969.
Forecast
If the recent trend holds, Lesser Nighthawk in Tamaulipan Brushlands is projected to rise about 335% by 2029 — from 0.92 in 2024 to a central estimate of 4.0 (95% range 0.00–13). A 5-year backtest shows a typical error of ±205.9%, with 100% of held-out values landing inside the 95% band.
+335%Change by 2029
4.0Projected 2029 index
0.00–1395% range
±205.9%Backtest error
| Year | Projected index | 95% low | 95% high |
|---|---|---|---|
| 2025 | 4.2 | 0.00 | 13 |
| 2026 | 4.1 | 0.00 | 13 |
| 2027 | 4.1 | 0.00 | 13 |
| 2028 | 4.0 | 0.00 | 13 |
| 2029 | 4.0 | 0.00 | 13 |
Routes In Tamaulipan Brushlands
| Catarina | TEXAS | 34 | 2010 |
| Encinal | TEXAS | 13 | 2010 |
| Pedro Creek | TEXAS | 11 | 2010 |
| Laredo | TEXAS | 10 | 2023 |
| Catarina 3 | TEXAS | 7 | 2023 |
| Progreso | TEXAS | 6 | 2010 |
| Rachal | TEXAS | 5 | 1996 |
| Kingsville | TEXAS | 5 | 1989 |
| La Pryor | TEXAS | 5 | 2005 |
| El Sauz | TEXAS | 5 | 2023 |
| San Ygnacio | TEXAS | 4 | 1985 |
| El Indio | TEXAS | 4 | 2007 |
| Cavasara Cr. | TEXAS | 4 | 2023 |
| Mirando City | TEXAS | 3 | 2024 |
| Catarina 2 | TEXAS | 3 | 2017 |
| Heidelberg | TEXAS | 3 | 2019 |
| Randado | TEXAS | 2 | 2024 |
| Hondo | TEXAS | 2 | 2024 |
| Raymondville | TEXAS | 2 | 2019 |
| Dilley | TEXAS | 2 | 2024 |
| Sejita | TEXAS | 2 | 2019 |
| Millett | TEXAS | 2 | 2012 |
| Agua Nueva | TEXAS | 1 | 1999 |
| Zapata | TEXAS | 1 | 1984 |
| George West | TEXAS | 1 | 2023 |
Source: USGS North American Breeding Bird Survey, retrieved 2026-05-22.