Australian Gull-billed Tern vs Atlantic White Tern
Gelochelidon macrotarsa so với Gygis alba
Side-by-Side Comparison
| Thuộc Tính | Australian Gull-billed Tern | Atlantic White Tern |
|---|---|---|
| Tên Khoa Học | Gelochelidon macrotarsa | Gygis alba |
| Bộ | Charadriiformes | Charadriiformes |
| Họ | Laridae | Laridae |
| Tình Trạng Bảo Tồn | Least Concern | Least Concern |
| Chiều Dài | — | — |
| Chiều Dài Sải Cánh | 61,1 cm (24.1 in) | 50,4 cm (19.8 in) |
| Khối Lượng | 246,66666666666666 g (8.70 oz) | 138,0 g (4.87 oz) |
| Chế Độ Ăn | -- | -- |
| Số Trứng | 2-3 | 1 |
| Population Trend | — | — |
Habitat Comparison
Môi Trường Sống Chung
Australian Gull-billed Tern only
Atlantic White Tern only
Không
Tình Trạng Bảo Tồn
Least Concern
Australian Gull-billed Tern
Least Concern
Atlantic White Tern
About These Birds
Australian Gull-billed Tern
Australian Gull-billed Tern, 38–42 cm, is a large, heavy-billed tern endemic to Australia, breeding in arid inland wetlands. Pale grey above, white below, with a robust black bill. Takes insects, small reptiles, and crabs rather than diving for fish. Nomadic in response to inland rainfall.
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.