Atlantic White Tern vs Yellow-footed Gull
Gygis alba เปรียบเทียบกับ Larus livens
Side-by-Side Comparison
| คุณสมบัติ | Atlantic White Tern | Yellow-footed Gull |
|---|---|---|
| ชื่อวิทยาศาสตร์ | Gygis alba | Larus livens |
| อันดับ | Charadriiformes | Charadriiformes |
| วงศ์ตระกูล | Laridae | Laridae |
| สถานะการอนุรักษ์ | Least Concern | Least Concern |
| ความยาว | — | — |
| กว้างปีก | 50.4 cm (19.8 in) | 80.7 cm (31.8 in) |
| น้ำหนัก | 138.0 g (4.87 oz) | 1295.0 g (45.68 oz) |
| อาหาร | -- | -- |
| จำนวนไข่ | 1 | 2-3 |
| Population Trend | — | — |
Habitat Comparison
สถานะการอนุรักษ์
Least Concern
Atlantic White Tern
Least Concern
Yellow-footed 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.
Yellow-footed Gull
Yellow-footed Gull, 53–58 cm, has a very restricted range — endemic to the Gulf of California with post-breeding dispersal to Salton Sea. Yellow feet (unique among large western gulls), yellow bill with red spot. Piscivore and scavenger; forages on rocky shores. Resident; does not undertake long migrations.