Atlantic White Tern vs Relict Gull
Gygis alba مقارنةً بـ Larus relictus
Side-by-Side Comparison
| السمة | Atlantic White Tern | Relict Gull |
|---|---|---|
| الاسم العلمي | Gygis alba | Larus relictus |
| الرتبة | Charadriiformes | Charadriiformes |
| الفصيلة | Laridae | Laridae |
| حالة الحفاظ | Least Concern | Vulnerable |
| الطول | — | — |
| طول الجناح | 50,4 cm (19.8 in) | 67,0 cm (26.4 in) |
| الوزن | 138,0 g (4.87 oz) | 516,75 g (18.23 oz) |
| النظام الغذائي | -- | -- |
| عدد البيض في الوضع | 1 | 2-3 |
| Population Trend | — | — |
Habitat Comparison
حالة الحفاظ
Least Concern
Atlantic White Tern
Vulnerable
Relict 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.
Relict Gull
Relict Gull, 44–46 cm, is a Vulnerable species breeding on remote saline lakes in Mongolia and northern China. Black hood with white eye-crescents, red bill, red legs. Very poorly known outside breeding season; winters on Yellow Sea coasts. Threatened by drought and wetland degradation.