Black-tailed Gull vs Bridled Tern
Larus crassirostris compared with Onychoprion anaethetus
Side-by-Side Comparison
| Attribute | Black-tailed Gull | Bridled Tern |
|---|---|---|
| Scientific Name | Larus crassirostris | Onychoprion anaethetus |
| Order | Charadriiformes | Charadriiformes |
| Family | Laridae | Laridae |
| Conservation Status | Least Concern | Least Concern |
| Length | — | — |
| Wingspan | 72.8 cm (28.7 in) | 54.7 cm (21.5 in) |
| Weight | 675.0 g (23.81 oz) | 129.13333333333333 g (4.56 oz) |
| Diet | -- | -- |
| Clutch Size | 2-3 | 1 |
| Population Trend | — | — |
Habitat Comparison
Conservation Status
Least Concern
Black-tailed Gull
Least Concern
Bridled 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.
Bridled Tern
Bridled Tern, 30–32 cm, breeds on tropical islands across the Indo-Pacific and Atlantic. Dark brownish-black above with a white forehead stripe extending behind the eye — the diagnostic 'bridle'. Pelagic outside breeding; piscivore, takes fish and squid at the surface.