Black-tailed Gull vs Least Tern
Larus crassirostris verglichen mit Sternula antillarum
Side-by-Side Comparison
| Merkmal | Black-tailed Gull | Least Tern |
|---|---|---|
| Wissenschaftlicher Name | Larus crassirostris | Sternula antillarum |
| Ordnung | Charadriiformes | Charadriiformes |
| Familie | Laridae | Laridae |
| Erhaltungsstatus | Least Concern | Least Concern |
| Länge | — | — |
| Flügelspannweite | 72,8 cm (28.7 in) | 33,0 cm (13.0 in) |
| Gewicht | 675,0 g (23.81 oz) | 46,75 g (1.65 oz) |
| Ernährung | -- | -- |
| Gelegegröße | 2-3 | 1-3 |
| Population Trend | — | — |
Habitat Comparison
Erhaltungsstatus
Least Concern
Black-tailed Gull
Least Concern
Least 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.
Least Tern
Least Tern is North America's smallest tern, 22–24 cm, breeding on sandy beaches and river sandbars from the Atlantic coast to the interior. Endangered (interior subspecies). Yellow bill, white forehead, grey upperparts. Hovers and plunge-dives for small fish in coastal and riverine habitats.