Atlantic White Tern vs Bonaparte's Gull
Gygis alba compared with Larus philadelphia
Side-by-Side Comparison
| Attribute | Atlantic White Tern | Bonaparte's Gull |
|---|---|---|
| Scientific Name | Gygis alba | Larus philadelphia |
| Order | Charadriiformes | Charadriiformes |
| Family | Laridae | Laridae |
| Conservation Status | Least Concern | Least Concern |
| Length | — | — |
| Wingspan | 50.4 cm (19.8 in) | 51.9 cm (20.4 in) |
| Weight | 138.0 g (4.87 oz) | 204.575 g (7.22 oz) |
| Diet | -- | -- |
| Clutch Size | 1 | 1-3 |
| Population Trend | — | — |
Habitat Comparison
Shared Habitats
Atlantic White Tern only
None
Bonaparte's Gull only
Conservation Status
Least Concern
Atlantic White Tern
Least Concern
Bonaparte's Gull
About These Birds
Atlantic White Tern
Atlantic White Tern: 28–33 cm, wingspan 76–87 cm, ethereally white seabird with blue-grey bill, blue orbital ring, and large dark eyes. Breeds on tropical Atlantic islands including Ascension and Saint Helena; related species widespread across the Indo-Pacific. Nests on bare branches with no nest material. Feeds on small fish near the surface.
Bonaparte's Gull
Bonaparte's Gull, 28–30 cm, is North America's smallest Larus gull, breeding in boreal forests near lakes and wintering on both coasts. Breeding adult has a black hood; underwing shows white triangular flash. Planktivore and piscivore; buoyant, tern-like flight. Migratory; forms large winter flocks.