Black-tailed Gull vs Large-billed Tern
Larus crassirostris compared with Phaetusa simplex
Side-by-Side Comparison
| Attribute | Black-tailed Gull | Large-billed Tern |
|---|---|---|
| Scientific Name | Larus crassirostris | Phaetusa simplex |
| Order | Charadriiformes | Charadriiformes |
| Family | Laridae | Laridae |
| Conservation Status | Least Concern | Least Concern |
| Length | — | — |
| Wingspan | 72.8 cm (28.7 in) | 58.3 cm (23.0 in) |
| Weight | 675.0 g (23.81 oz) | 241.5 g (8.52 oz) |
| Diet | -- | -- |
| Clutch Size | 2-3 | 2-3 |
| Population Trend | — | — |
Habitat Comparison
Conservation Status
Least Concern
Black-tailed Gull
Least Concern
Large-billed 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.
Large-billed Tern
Large-billed Tern, 36–38 cm, is a distinctive South American freshwater tern of major river systems including the Amazon, Paraná, and Orinoco. Bold black and white plumage with a massive yellow bill and yellow feet. Piscivore; plunge-dives from height into rivers. Resident in tropical lowlands.