Atlantic White Tern vs Dolphin Gull
Gygis alba verglichen mit Larus scoresbii
Side-by-Side Comparison
| Merkmal | Atlantic White Tern | Dolphin Gull |
|---|---|---|
| Wissenschaftlicher Name | Gygis alba | Larus scoresbii |
| Ordnung | Charadriiformes | Charadriiformes |
| Familie | Laridae | Laridae |
| Erhaltungsstatus | Least Concern | Least Concern |
| Länge | — | — |
| Flügelspannweite | 50,4 cm (19.8 in) | 64,6 cm (25.4 in) |
| Gewicht | 138,0 g (4.87 oz) | 519,0 g (18.31 oz) |
| Ernährung | -- | -- |
| Gelegegröße | 1 | 2-3 |
| Population Trend | — | — |
Habitat Comparison
Erhaltungsstatus
Least Concern
Atlantic White Tern
Least Concern
Dolphin 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.
Dolphin Gull
Dolphin Gull, 42–45 cm, is restricted to the coasts of southern South America, the Falkland Islands, and Tierra del Fuego. Adults have a blood-red bill and legs; plumage varies from grey to brownish with age. Scavenges on marine mammal placentas, carrion, and penguin colonies. Resident.