Atlantic White Tern vs Bonaparte's Gull
Gygis alba so với Larus philadelphia
Side-by-Side Comparison
| Thuộc Tính | Atlantic White Tern | Bonaparte's Gull |
|---|---|---|
| Tên Khoa Học | Gygis alba | Larus philadelphia |
| Bộ | Charadriiformes | Charadriiformes |
| Họ | Laridae | Laridae |
| Tình Trạng Bảo Tồn | Least Concern | Least Concern |
| Chiều Dài | — | — |
| Chiều Dài Sải Cánh | 50,4 cm (19.8 in) | 51,9 cm (20.4 in) |
| Khối Lượng | 138,0 g (4.87 oz) | 204,575 g (7.22 oz) |
| Chế Độ Ăn | -- | -- |
| Số Trứng | 1 | 1-3 |
| Population Trend | — | — |
Habitat Comparison
Môi Trường Sống Chung
Atlantic White Tern only
Không
Bonaparte's Gull only
Tình Trạng Bảo Tồn
Least Concern
Atlantic White Tern
Least Concern
Bonaparte'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.
Bonaparte's Gull
Bonaparte's Gull, 28–30 cm, is North America's smallest Larus gull, breeding in boreal forests near lakes and wintering on both coasts. Breeding adult has a black hood; underwing shows white triangular flash. Planktivore and piscivore; buoyant, tern-like flight. Migratory; forms large winter flocks.