Atlantic White Tern vs Audouin's Gull
Gygis alba so với Larus audouinii
Side-by-Side Comparison
| Thuộc Tính | Atlantic White Tern | Audouin's Gull |
|---|---|---|
| Tên Khoa Học | Gygis alba | Larus audouinii |
| Bộ | Charadriiformes | Charadriiformes |
| Họ | Laridae | Laridae |
| Tình Trạng Bảo Tồn | Least Concern | Vulnerable |
| Chiều Dài | — | — |
| Chiều Dài Sải Cánh | 50,4 cm (19.8 in) | 78,9 cm (31.1 in) |
| Khối Lượng | 138,0 g (4.87 oz) | 610,5 g (21.53 oz) |
| Chế Độ Ăn | -- | -- |
| Số Trứng | 1 | 1-4 |
| Population Trend | — | — |
Habitat Comparison
Tình Trạng Bảo Tồn
Least Concern
Atlantic White Tern
Vulnerable
Audouin'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.
Audouin's Gull
Audouin's Gull, 44–48 cm, is a Near Threatened Mediterranean endemic, breeding mainly in the western basin. Coral-red bill with black and yellow band, grey mantle. Primarily piscivore; forages at sea at dusk for anchovies. Population recovered from 1,000 to over 20,000 pairs; now threatened by fishing bycatch.