Atlantic White Tern vs Cabot's Tern
Gygis alba compared with Thalasseus acuflavidus
Side-by-Side Comparison
| Attribute | Atlantic White Tern | Cabot's Tern |
|---|---|---|
| Scientific Name | Gygis alba | Thalasseus acuflavidus |
| Order | Charadriiformes | Charadriiformes |
| Family | Laridae | Laridae |
| Conservation Status | Least Concern | Not Evaluated |
| Length | — | — |
| Wingspan | 50.4 cm (19.8 in) | — |
| Weight | 138.0 g (4.87 oz) | 220.25 g (7.77 oz) |
| Diet | -- | -- |
| Clutch Size | 1 | 1-2 |
| Population Trend | — | — |
Habitat Comparison
Conservation Status
Least Concern
Atlantic White Tern
Not Evaluated
Cabot's 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.
Cabot's Tern
Cabot's Tern, 36–41 cm, closely resembles Sandwich Tern and was recently split; breeds along Atlantic and Gulf coasts of North America, wintering to South America. Black cap, yellow-tipped black bill. Coastal piscivore; plunge-dives in shallow bays and lagoons.