Aleutian Tern vs Cabot's Tern
Onychoprion aleuticus compared with Thalasseus acuflavidus
Side-by-Side Comparison
| Attribute | Aleutian Tern | Cabot's Tern |
|---|---|---|
| Scientific Name | Onychoprion aleuticus | Thalasseus acuflavidus |
| Order | Charadriiformes | Charadriiformes |
| Family | Laridae | Laridae |
| Conservation Status | Vulnerable | Not Evaluated |
| Length | — | — |
| Wingspan | 52.4 cm (20.6 in) | — |
| Weight | 104.88 g (3.70 oz) | 220.25 g (7.77 oz) |
| Diet | -- | -- |
| Clutch Size | 1-4 | 1-2 |
| Population Trend | — | — |
Habitat Comparison
Conservation Status
Vulnerable
Aleutian Tern
Not Evaluated
Cabot's Tern
About These Birds
Aleutian Tern
Aleutian Tern, 32–34 cm, breeds colonially in Alaska and Russian Far East, wintering in Southeast Asian waters — one of the most poorly tracked migrations among seabirds. Dark grey above, white below, black cap with white forehead. Piscivore; dives for small fish. Near Threatened.
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.