Black-tailed Gull vs Yellow-billed Tern
Larus crassirostris comparé à Sternula superciliaris
Side-by-Side Comparison
| Attribut | Black-tailed Gull | Yellow-billed Tern |
|---|---|---|
| Nom scientifique | Larus crassirostris | Sternula superciliaris |
| Ordre | Charadriiformes | Charadriiformes |
| Famille | Laridae | Laridae |
| Statut de conservation | Least Concern | Least Concern |
| Longueur | — | — |
| Envergure | 72,8 cm (28.7 in) | 33,8 cm (13.3 in) |
| Poids | 675,0 g (23.81 oz) | 47,800000000000004 g (1.69 oz) |
| Régime alimentaire | -- | -- |
| Taille de la couvée | 2-3 | 2-3 |
| Population Trend | — | — |
Habitat Comparison
Statut de conservation
Least Concern
Black-tailed Gull
Least Concern
Yellow-billed 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.
Yellow-billed Tern
Yellow-billed Tern, 22–24 cm, is a freshwater tern of the Amazon and Orinoco river systems in South America. Yellow bill and legs, grey back, black cap. Piscivore; hovers over rivers and lakes, diving for small fish. Resident year-round along major tropical waterways.