Atlantic White Tern vs California Gull
Gygis alba so với Larus californicus
Side-by-Side Comparison
| Thuộc Tính | Atlantic White Tern | California Gull |
|---|---|---|
| Tên Khoa Học | Gygis alba | Larus californicus |
| 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) | 75,4 cm (29.7 in) |
| Khối Lượng | 138,0 g (4.87 oz) | 717,5 g (25.31 oz) |
| Chế Độ Ăn | -- | -- |
| Số Trứng | 1 | 2-4 |
| Population Trend | — | — |
Habitat Comparison
Môi Trường Sống Chung
Atlantic White Tern only
Không
California Gull only
Tình Trạng Bảo Tồn
Least Concern
Atlantic White Tern
Least Concern
California 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.
California Gull
California Gull, 46–55 cm, breeds at inland lakes of western North America and winters on the Pacific coast. Yellow bill with red and black spot, greenish-yellow legs. Omnivore; famous for saving Utah crickets crops in 1848 — commemorated as Utah's state bird. Strongly migratory.