Little Gull vs Aleutian Tern
Hydrocoloeus minutus so với Onychoprion aleuticus
Side-by-Side Comparison
| Thuộc Tính | Little Gull | Aleutian Tern |
|---|---|---|
| Tên Khoa Học | Hydrocoloeus minutus | Onychoprion aleuticus |
| Bộ | Charadriiformes | Charadriiformes |
| Họ | Laridae | Laridae |
| Tình Trạng Bảo Tồn | Least Concern | Vulnerable |
| Chiều Dài | — | — |
| Chiều Dài Sải Cánh | 43,8 cm (17.2 in) | 52,4 cm (20.6 in) |
| Khối Lượng | 114,08333333333333 g (4.02 oz) | 104,88 g (3.70 oz) |
| Chế Độ Ăn | -- | -- |
| Số Trứng | 1-3 | 1-4 |
| Population Trend | — | — |
Habitat Comparison
Tình Trạng Bảo Tồn
Least Concern
Little Gull
Vulnerable
Aleutian Tern
About These Birds
Little Gull
Little Gull, 25–30 cm, is the world's smallest gull, breeding in Eurasian wetlands and wintering on Atlantic coasts. Breeding adult has a full black hood; underwing is uniformly dark — unique among gulls. Feeds on insects over water in summer, small fish and invertebrates in winter.
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.