Australian Gull-billed Tern vs Atlantic White Tern
Gelochelidon macrotarsa compared with Gygis alba
Side-by-Side Comparison
| Attribute | Australian Gull-billed Tern | Atlantic White Tern |
|---|---|---|
| Scientific Name | Gelochelidon macrotarsa | Gygis alba |
| Order | Charadriiformes | Charadriiformes |
| Family | Laridae | Laridae |
| Conservation Status | Least Concern | Least Concern |
| Length | — | — |
| Wingspan | 61.1 cm (24.1 in) | 50.4 cm (19.8 in) |
| Weight | 246.66666666666666 g (8.70 oz) | 138.0 g (4.87 oz) |
| Diet | -- | -- |
| Clutch Size | 2-3 | 1 |
| Population Trend | — | — |
Habitat Comparison
Conservation Status
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.