Black-tailed Gull vs Royal Tern
Larus crassirostris ile kıyaslandığında Thalasseus maximus
Side-by-Side Comparison
| Özellik | Black-tailed Gull | Royal Tern |
|---|---|---|
| Bilimsel Ad | Larus crassirostris | Thalasseus maximus |
| Takım | Charadriiformes | Charadriiformes |
| Familya | Laridae | Laridae |
| Koruma Durumu | Least Concern | Least Concern |
| Uzunluk | — | — |
| Kanat Açıklığı | 72,8 cm (28.7 in) | 72,7 cm (28.6 in) |
| Ağırlık | 675,0 g (23.81 oz) | 402,3333333333333 g (14.19 oz) |
| Beslenme | -- | -- |
| Kuluçka Büyüklüğü | 2-3 | 1-2 |
| Population Trend | — | — |
Habitat Comparison
Koruma Durumu
Least Concern
Black-tailed Gull
Least Concern
Royal 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.
Royal Tern
Royal Tern, 45–50 cm, is a large, powerful tern of American and West African coasts. Orange bill, shaggy black crest (full only briefly in spring), pale grey mantle. Piscivore; plunge-dives from 10 m for mullet and menhaden. Nests in dense colonies; often seen loafing on beaches year-round.