Black-tailed Gull vs Lesser Crested Tern
Larus crassirostris مقارنةً بـ Thalasseus bengalensis
Side-by-Side Comparison
| السمة | Black-tailed Gull | Lesser Crested Tern |
|---|---|---|
| الاسم العلمي | Larus crassirostris | Thalasseus bengalensis |
| الرتبة | Charadriiformes | Charadriiformes |
| الفصيلة | Laridae | Laridae |
| حالة الحفاظ | Least Concern | Least Concern |
| الطول | — | — |
| طول الجناح | 72,8 cm (28.7 in) | 58,6 cm (23.1 in) |
| الوزن | 675,0 g (23.81 oz) | 212,25 g (7.49 oz) |
| النظام الغذائي | -- | -- |
| عدد البيض في الوضع | 2-3 | 1-2 |
| Population Trend | — | — |
Habitat Comparison
حالة الحفاظ
Least Concern
Black-tailed Gull
Least Concern
Lesser Crested 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.
Lesser Crested Tern
Lesser Crested Tern, 35–37 cm, breeds colonially on islands across the Indian Ocean and western Pacific, from Red Sea to Australia. Orange bill, black crest, grey mantle. Coastal piscivore; plunge-dives in tropical waters. Gregarious; often nests with Greater Crested Terns.