Audouin's Gull vs Aleutian Tern
Larus audouinii so với Onychoprion aleuticus
Side-by-Side Comparison
| Thuộc Tính | Audouin's Gull | Aleutian Tern |
|---|---|---|
| Tên Khoa Học | Larus audouinii | Onychoprion aleuticus |
| Bộ | Charadriiformes | Charadriiformes |
| Họ | Laridae | Laridae |
| Tình Trạng Bảo Tồn | Vulnerable | Vulnerable |
| Chiều Dài | — | — |
| Chiều Dài Sải Cánh | 78,9 cm (31.1 in) | 52,4 cm (20.6 in) |
| Khối Lượng | 610,5 g (21.53 oz) | 104,88 g (3.70 oz) |
| Chế Độ Ăn | -- | -- |
| Số Trứng | 1-4 | 1-4 |
| Population Trend | — | — |
Habitat Comparison
Tình Trạng Bảo Tồn
Vulnerable
Audouin's Gull
Vulnerable
Aleutian Tern
About These Birds
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.
Aleutian Tern
Aleutian Tern, 32–34 cm, breeds colonially in Alaska and Russian Far East, wintering in Southeast Asian waters — one of the most poorly tracked migrations among seabirds. Dark grey above, white below, black cap with white forehead. Piscivore; dives for small fish. Near Threatened.