Black-tailed Gull vs Lesser Crested Tern
Larus crassirostris เปรียบเทียบกับ Thalasseus bengalensis
Side-by-Side Comparison
| คุณสมบัติ | Black-tailed Gull | Lesser Crested Tern |
|---|---|---|
| ชื่อวิทยาศาสตร์ | Larus crassirostris | Thalasseus bengalensis |
| อันดับ | Charadriiformes | Charadriiformes |
| วงศ์ตระกูล | Laridae | Laridae |
| สถานะการอนุรักษ์ | Least Concern | Least Concern |
| ความยาว | — | — |
| กว้างปีก | 72.8 cm (28.7 in) | 58.6 cm (23.1 in) |
| น้ำหนัก | 675.0 g (23.81 oz) | 212.25 g (7.49 oz) |
| อาหาร | -- | -- |
| จำนวนไข่ | 2-3 | 1-2 |
| Population Trend | — | — |
Habitat Comparison
สถานะการอนุรักษ์
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.