Black-tailed Gull vs Sooty Tern
Larus crassirostris comparé à Onychoprion fuscatus
Side-by-Side Comparison
| Attribut | Black-tailed Gull | Sooty Tern |
|---|---|---|
| Nom scientifique | Larus crassirostris | Onychoprion fuscatus |
| Ordre | Charadriiformes | Charadriiformes |
| Famille | Laridae | Laridae |
| Statut de conservation | Least Concern | Least Concern |
| Longueur | — | — |
| Envergure | 72,8 cm (28.7 in) | 56,1 cm (22.1 in) |
| Poids | 675,0 g (23.81 oz) | 183,0 g (6.46 oz) |
| Régime alimentaire | -- | -- |
| Taille de la couvée | 2-3 | 1 |
| Population Trend | — | — |
Habitat Comparison
Statut de conservation
Least Concern
Black-tailed Gull
Least Concern
Sooty 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.
Sooty Tern
Sooty Tern is a highly pelagic tern, 33–36 cm, wingspan 82–94 cm, breeding pantropically on oceanic islands. Jet-black above, white below, with a white forehead patch. Among the most aerial of birds; rarely lands on water. Piscivore; snaps fish and squid at the surface during mass prey events.