Atlantic White Tern vs Caspian Gull
Gygis alba مقارنةً بـ Larus cachinnans
Side-by-Side Comparison
| السمة | Atlantic White Tern | Caspian Gull |
|---|---|---|
| الاسم العلمي | Gygis alba | Larus cachinnans |
| الرتبة | Charadriiformes | Charadriiformes |
| الفصيلة | Laridae | Laridae |
| حالة الحفاظ | Least Concern | Least Concern |
| الطول | — | — |
| طول الجناح | 50,4 cm (19.8 in) | 85,4 cm (33.6 in) |
| الوزن | 138,0 g (4.87 oz) | 1090,0 g (38.45 oz) |
| النظام الغذائي | -- | -- |
| عدد البيض في الوضع | 1 | 1-4 |
| Population Trend | — | — |
Habitat Comparison
حالة الحفاظ
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.