Atlantic White Tern vs Bonaparte's Gull
Gygis alba в сравнении с Larus philadelphia
Side-by-Side Comparison
| Характеристика | Atlantic White Tern | Bonaparte's Gull |
|---|---|---|
| Научное название | Gygis alba | Larus philadelphia |
| Отряд | Charadriiformes | Charadriiformes |
| Семейство | Laridae | Laridae |
| Охранный статус | Least Concern | Least Concern |
| Длина | — | — |
| Размах крыльев | 50,4 cm (19.8 in) | 51,9 cm (20.4 in) |
| Масса | 138,0 g (4.87 oz) | 204,575 g (7.22 oz) |
| Питание | -- | -- |
| Размер кладки | 1 | 1-3 |
| Population Trend | — | — |
Habitat Comparison
Общие среды обитания
Atlantic White Tern only
Нет
Bonaparte's Gull only
Охранный статус
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.