Species · Delaware · BBS 2025 Release · 1966–2024
Black-necked Stilt Population Trend in Delaware
Black-necked Stilt in Delaware has held roughly steady: up 9% on the route-weighted index since 1998.
+9%Since 1998
3Routes In State
24Years
Notable Black-necked Stilt Trends in Delaware
No notable trend signals for Black-necked Stilt in Delaware. See the full index history below.
Black-necked Stilt Population Forecast in Delaware
If the recent trend holds, Black-necked Stilt in Delaware is projected to stay roughly flat through 2029, near 1.1 (95% range 0.00–2.8). A 5-year backtest shows a typical error of ±56.2%, with 80% of held-out values landing inside the 95% band.
+6%Change by 2029
1.1Projected 2029 index
0.00–2.895% range
±56.2%Backtest error
| Year | Projected index | 95% low | 95% high |
|---|---|---|---|
| 2025 | 1.0 | 0.00 | 2.8 |
| 2026 | 1.0 | 0.00 | 2.8 |
| 2027 | 1.0 | 0.00 | 2.8 |
| 2028 | 1.1 | 0.00 | 2.8 |
| 2029 | 1.1 | 0.00 | 2.8 |
Black-necked Stilt Survey Routes in Delaware
| Harrington | 4 | 2024 | 2004 |
| Blackbird | 1 | 2024 | 1996 |
| Georgetown | 1 | 2022 | 2022 |
Black-necked Stilt Population Trend in Other States
Source: USGS North American Breeding Bird Survey, retrieved 2026-05-22.