Black-tailed Gull vs Cabot's Tern
Larus crassirostris compared with Thalasseus acuflavidus
Side-by-Side Comparison
| Attribute | Black-tailed Gull | Cabot's Tern |
|---|---|---|
| Scientific Name | Larus crassirostris | Thalasseus acuflavidus |
| Order | Charadriiformes | Charadriiformes |
| Family | Laridae | Laridae |
| Conservation Status | Least Concern | Not Evaluated |
| Length | — | — |
| Wingspan | 72.8 cm (28.7 in) | — |
| Weight | 675.0 g (23.81 oz) | 220.25 g (7.77 oz) |
| Diet | -- | -- |
| Clutch Size | 2-3 | 1-2 |
| Population Trend | — | — |
Habitat Comparison
Conservation Status
Least Concern
Black-tailed Gull
Not Evaluated
Cabot's Tern
About These Birds
Black-tailed Gull
Black-tailed Gull, 44–48 cm, is common on East Asian coasts from Russia to China, Japan, and Korea. Grey mantle, white body, yellow bill with red spot and black subterminal band, yellow legs. Omnivore; very vocal, known as the 'cat gull' for its mewing calls. Migratory; winters south to Vietnam.
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.