Brown-hooded Gull vs Aleutian Tern
Larus maculipennis so với Onychoprion aleuticus
Side-by-Side Comparison
| Thuộc Tính | Brown-hooded Gull | Aleutian Tern |
|---|---|---|
| Tên Khoa Học | Larus maculipennis | Onychoprion aleuticus |
| Bộ | Charadriiformes | Charadriiformes |
| Họ | Laridae | Laridae |
| Tình Trạng Bảo Tồn | Least Concern | Vulnerable |
| Chiều Dài | — | — |
| Chiều Dài Sải Cánh | 58,2 cm (22.9 in) | 52,4 cm (20.6 in) |
| Khối Lượng | 364,5 g (12.86 oz) | 104,88 g (3.70 oz) |
| Chế Độ Ăn | -- | -- |
| Số Trứng | 1-4 | 1-4 |
| Population Trend | — | — |
Habitat Comparison
Môi Trường Sống Chung
Brown-hooded Gull only
Không
Aleutian Tern only
Không
Tình Trạng Bảo Tồn
Least Concern
Brown-hooded Gull
Vulnerable
Aleutian Tern
About These Birds
Brown-hooded Gull
Brown-hooded Gull, 35–38 cm, breeds on freshwater lakes and coastal areas of southern South America from Chile to Argentina. Reddish bill, brown-chocolate hood in breeding plumage. Coastal and inland omnivore; follows fishing boats and ploughs. Winters north along both coasts.
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.