Black-tailed Gull vs Sooty Tern
Larus crassirostris в сравнении с Onychoprion fuscatus
Side-by-Side Comparison
| Характеристика | Black-tailed Gull | Sooty Tern |
|---|---|---|
| Научное название | Larus crassirostris | Onychoprion fuscatus |
| Отряд | Charadriiformes | Charadriiformes |
| Семейство | Laridae | Laridae |
| Охранный статус | Least Concern | Least Concern |
| Длина | — | — |
| Размах крыльев | 72,8 cm (28.7 in) | 56,1 cm (22.1 in) |
| Масса | 675,0 g (23.81 oz) | 183,0 g (6.46 oz) |
| Питание | -- | -- |
| Размер кладки | 2-3 | 1 |
| Population Trend | — | — |
Habitat Comparison
Охранный статус
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.