Australian Gull-billed Tern vs Saunders's Gull
Gelochelidon macrotarsa verglichen mit Saundersilarus saundersi
Side-by-Side Comparison
| Merkmal | Australian Gull-billed Tern | Saunders's Gull |
|---|---|---|
| Wissenschaftlicher Name | Gelochelidon macrotarsa | Saundersilarus saundersi |
| Ordnung | Charadriiformes | Charadriiformes |
| Familie | Laridae | Laridae |
| Erhaltungsstatus | Least Concern | Vulnerable |
| Länge | — | — |
| Flügelspannweite | 61,1 cm (24.1 in) | 54,8 cm (21.6 in) |
| Gewicht | 246,66666666666666 g (8.70 oz) | 195,0 g (6.88 oz) |
| Ernährung | -- | -- |
| Gelegegröße | 2-3 | 1-6 |
| Population Trend | — | — |
Habitat Comparison
Erhaltungsstatus
Least Concern
Australian Gull-billed Tern
Vulnerable
Saunders's Gull
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.
Saunders's Gull
Saunders's Gull, 29–32 cm, is a Vulnerable gull breeding in coastal saltmarshes of China and Korea, wintering along East Asian coasts to Vietnam. Black hood in breeding plumage, white wing-tip mirrors. Feeds on crustaceans and invertebrates in tidal mudflats. Threatened by reclamation of Yellow Sea tidal flats.