Species · BCR 21 · BBS 2025 Release · 1966–2024
Neotropic Cormorant In Oaks and Prairies
Neotropic Cormorant in Oaks and Prairies has surged: up 345% on the route-weighted index since 2005.
+345%Since 2005
6Routes In Region
18Years
Notable Signals
long arc increasecomputed index
Neotropic Cormorant has surged in Oaks and Prairies: up 345% on the route-weighted index since 2005.
Forecast
If the recent trend holds, Neotropic Cormorant in Oaks and Prairies is projected to stay roughly flat through 2029, near 0.24 (95% range 0.00–0.53). A 5-year backtest shows a typical error of ±132.3%, with 80% of held-out values landing inside the 95% band.
+3%Change by 2029
0.24Projected 2029 index
0.00–0.5395% range
±132.3%Backtest error
| Year | Projected index | 95% low | 95% high |
|---|---|---|---|
| 2025 | 0.22 | 0.00 | 0.51 |
| 2026 | 0.22 | 0.00 | 0.52 |
| 2027 | 0.23 | 0.00 | 0.52 |
| 2028 | 0.23 | 0.00 | 0.53 |
| 2029 | 0.24 | 0.00 | 0.53 |
Routes In Oaks and Prairies
| Campbellton | TEXAS | 10 | 2016 |
| Massey Lake | TEXAS | 4 | 2024 |
| Bonner | TEXAS | 4 | 2024 |
| Sadler | TEXAS | 3 | 2024 |
| Rhome | TEXAS | 2 | 2021 |
| Selden | TEXAS | 1 | 2021 |
Source: USGS North American Breeding Bird Survey, retrieved 2026-05-22.