Family · Laridae · Charadriiformes
Gulls, Terns & Skimmers Population Trends
25 species tracked, ordered by long-term trend. Steepest declines first.
| History | ||||
|---|---|---|---|---|
| Common Tern | Wetland birds | -97% | 1968 | |
| Heermann's Gull | Wetland birds | -97% | 1981 | |
| Least Tern | Wetland birds | -90% | 1968 | |
| Western Gull | Wetland birds | -86% | 1970 | |
| Roseate Tern | Wetland birds | -85% | 1972 | |
| Black Skimmer | Wetland birds | -82% | 1968 | |
| Aleutian Tern | Wetland birds | -81% | 1985 | |
| Herring Gull | Wetland birds | -70% | 1968 | |
| Royal Tern | Wetland birds | -70% | 1968 | |
| Black Tern | Wetland birds | -44% | 1968 | |
| Bonaparte's Gull | Wetland birds | -34% | 1982 | |
| Glaucous Gull | Wetland birds | -21% | 1986 | |
| Laughing Gull | Wetland birds | -20% | 1968 | |
| Great Black-backed Gull | Wetland birds | -5% | 1968 | |
| Caspian Tern | Wetland birds | +81% | 1968 | |
| Glaucous-winged Gull | Wetland birds | +100% | 1970 | |
| Gull-billed Tern | Wetland birds | +101% | 1968 | |
| Forster's Tern | Wetland birds | +105% | 1968 | |
| Sandwich Tern | Wetland birds | +123% | 1979 | |
| Ring-billed Gull | Wetland birds | +155% | 1968 | |
| Franklin's Gull | Wetland birds | +222% | 1969 | |
| California Gull | Wetland birds | +360% | 1970 | |
| Arctic Tern | Wetland birds | +556% | 1977 | |
| Black-legged Kittiwake | Wetland birds | +572% | 1982 | |
| Short-billed Gull | Wetland birds | +655% | 1976 |