Atlantic White Tern vs Saunders's Gull
Gygis alba в сравнении с Saundersilarus saundersi
Side-by-Side Comparison
| Характеристика | Atlantic White Tern | Saunders's Gull |
|---|---|---|
| Научное название | Gygis alba | Saundersilarus saundersi |
| Отряд | Charadriiformes | Charadriiformes |
| Семейство | Laridae | Laridae |
| Охранный статус | Least Concern | Vulnerable |
| Длина | — | — |
| Размах крыльев | 50,4 cm (19.8 in) | 54,8 cm (21.6 in) |
| Масса | 138,0 g (4.87 oz) | 195,0 g (6.88 oz) |
| Питание | -- | -- |
| Размер кладки | 1 | 1-6 |
| Population Trend | — | — |
Habitat Comparison
Охранный статус
Least Concern
Atlantic White Tern
Vulnerable
Saunders'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.
Saunders's Gull
Saunders's Gull, 29–32 cm, is a Vulnerable gull breeding in coastal saltmarshes of China and Korea, wintering along East Asian coasts to Vietnam. Black hood in breeding plumage, white wing-tip mirrors. Feeds on crustaceans and invertebrates in tidal mudflats. Threatened by reclamation of Yellow Sea tidal flats.