Atlantic White Tern vs Sandwich Tern
Gygis alba comparé à Thalasseus sandvicensis
Side-by-Side Comparison
| Attribut | Atlantic White Tern | Sandwich Tern |
|---|---|---|
| Nom scientifique | Gygis alba | Thalasseus sandvicensis |
| Ordre | Charadriiformes | Charadriiformes |
| Famille | Laridae | Laridae |
| Statut de conservation | Least Concern | Least Concern |
| Longueur | — | — |
| Envergure | 50,4 cm (19.8 in) | 57,7 cm (22.7 in) |
| Poids | 138,0 g (4.87 oz) | 223,5 g (7.88 oz) |
| Régime alimentaire | -- | -- |
| Taille de la couvée | 1 | 1-2 |
| Population Trend | — | — |
Habitat Comparison
Statut de conservation
Least Concern
Atlantic White Tern
Least Concern
Sandwich Tern
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.
Sandwich Tern
Sandwich Tern, 36–41 cm, is a widespread coastal tern breeding from Western Europe and the Caspian Sea to the Caribbean. Black cap with shaggy crest, slender black bill with a yellow tip. Plunge-dives forcefully for sand eels and sprats. Strongly migratory; European birds winter to West Africa.