Atlantic White Tern vs Grey-headed Gull
Gygis alba verglichen mit Larus cirrocephalus
Side-by-Side Comparison
| Merkmal | Atlantic White Tern | Grey-headed Gull |
|---|---|---|
| Wissenschaftlicher Name | Gygis alba | Larus cirrocephalus |
| Ordnung | Charadriiformes | Charadriiformes |
| Familie | Laridae | Laridae |
| Erhaltungsstatus | Least Concern | Least Concern |
| Länge | — | — |
| Flügelspannweite | 50,4 cm (19.8 in) | 63,8 cm (25.1 in) |
| Gewicht | 138,0 g (4.87 oz) | 357,5 g (12.61 oz) |
| Ernährung | -- | -- |
| Gelegegröße | 1 | 2-3 |
| Population Trend | — | — |
Habitat Comparison
Erhaltungsstatus
Least Concern
Atlantic White Tern
Least Concern
Grey-headed 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.
Grey-headed Gull
Grey-headed Gull, 39–42 cm, breeds across sub-Saharan Africa and coastal South America. Pale grey hood in breeding plumage, red-orange bill and legs. Omnivore and piscivore; frequents large lakes, rivers, and coasts. Partially migratory, dispersing broadly outside breeding season.