Atlantic White Tern vs Caspian Gull
Gygis alba в сравнении с Larus cachinnans
Side-by-Side Comparison
| Характеристика | Atlantic White Tern | Caspian Gull |
|---|---|---|
| Научное название | Gygis alba | Larus cachinnans |
| Отряд | Charadriiformes | Charadriiformes |
| Семейство | Laridae | Laridae |
| Охранный статус | Least Concern | Least Concern |
| Длина | — | — |
| Размах крыльев | 50,4 cm (19.8 in) | 85,4 cm (33.6 in) |
| Масса | 138,0 g (4.87 oz) | 1090,0 g (38.45 oz) |
| Питание | -- | -- |
| Размер кладки | 1 | 1-4 |
| Population Trend | — | — |
Habitat Comparison
Охранный статус
Least Concern
Atlantic White Tern
Least Concern
Caspian 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.
Caspian Gull
Caspian Gull, 56–68 cm, breeds around the Black Sea and Caspian Sea, wintering to the Middle East and East Africa. Long parallel-sided bill, rounded head, pale eye with yellowish orbital ring, pinkish legs. Omnivore; scavenges at landfills and forages in agricultural fields. Partially migratory.