Species · Delaware · BBS 2025 Release · 1966–2024
Laughing Gull Population Trend in Delaware
Laughing Gull in Delaware has edged up: up 20% on the route-weighted index since 1968.
+20%Since 1968
15Routes In State
58Years
Notable Laughing Gull Trends in Delaware
No notable trend signals for Laughing Gull in Delaware. See the full index history below.
Laughing Gull Population Forecast in Delaware
If the recent trend holds, Laughing Gull in Delaware is projected to rise about 108% by 2029 — from 12 in 2024 to a central estimate of 25 (95% range 0.00–61). A 5-year backtest shows a typical error of ±47.1%, with 80% of held-out values landing inside the 95% band.
+108%Change by 2029
25Projected 2029 index
0.00–6195% range
±47.1%Backtest error
| Year | Projected index | 95% low | 95% high |
|---|---|---|---|
| 2025 | 24 | 0.00 | 61 |
| 2026 | 25 | 0.00 | 61 |
| 2027 | 25 | 0.00 | 61 |
| 2028 | 25 | 0.00 | 61 |
| 2029 | 25 | 0.00 | 61 |
Laughing Gull Survey Routes in Delaware
| Bethany Bch | 309 | 1990 | 1966 |
| Georgetown | 125 | 2022 | 1992 |
| Pepperbox | 32 | 2016 | 1998 |
| Milton | 28 | 2016 | 1971 |
| Harrington | 24 | 2024 | 1966 |
| Holleyville 2 | 21 | 2024 | 2006 |
| Dover | 17 | 1987 | 1972 |
| Pepperbox 2 | 15 | 2024 | 2017 |
| Blackbird | 11 | 2023 | 1994 |
| Holleyville | 6 | 2004 | 1989 |
| Millsboro | 6 | 2022 | 2017 |
| Lowes Xrds | 3 | 1991 | 1966 |
| Mt Pleasant | 1 | 1988 | 1967 |
| Frederica | 1 | 2014 | 1995 |
| Frankford | 1 | 2012 | 1967 |
Laughing Gull Population Trend in Other States
Source: USGS North American Breeding Bird Survey, retrieved 2026-05-22.