Franklin's Gull vs Aleutian Tern
Larus pipixcan so với Onychoprion aleuticus
Side-by-Side Comparison
| Thuộc Tính | Franklin's Gull | Aleutian Tern |
|---|---|---|
| Tên Khoa Học | Larus pipixcan | Onychoprion aleuticus |
| Bộ | Charadriiformes | Charadriiformes |
| Họ | Laridae | Laridae |
| Tình Trạng Bảo Tồn | Least Concern | Vulnerable |
| Chiều Dài | — | — |
| Chiều Dài Sải Cánh | 55,9 cm (22.0 in) | 52,4 cm (20.6 in) |
| Khối Lượng | 279,8333333333333 g (9.87 oz) | 104,88 g (3.70 oz) |
| Chế Độ Ăn | -- | -- |
| Số Trứng | 1-3 | 1-4 |
| Population Trend | — | — |
Habitat Comparison
Môi Trường Sống Chung
Franklin's Gull only
Không
Aleutian Tern only
Không
Tình Trạng Bảo Tồn
Least Concern
Franklin's Gull
Vulnerable
Aleutian Tern
About These Birds
Franklin's Gull
Franklin's Gull, 32–36 cm, makes one of the longest overland migrations of any gull, breeding on prairie marshes of North America and wintering on Pacific coasts of South America — a journey of 12,000+ km. Rosy-flushed underparts in spring; black hood with distinctive white eye-crescents. Insectivore.
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.