Black-tailed Gull vs Sandwich Tern
Larus crassirostris verglichen mit Thalasseus sandvicensis
Side-by-Side Comparison
| Merkmal | Black-tailed Gull | Sandwich Tern |
|---|---|---|
| Wissenschaftlicher Name | Larus crassirostris | Thalasseus sandvicensis |
| Ordnung | Charadriiformes | Charadriiformes |
| Familie | Laridae | Laridae |
| Erhaltungsstatus | Least Concern | Least Concern |
| Länge | — | — |
| Flügelspannweite | 72,8 cm (28.7 in) | 57,7 cm (22.7 in) |
| Gewicht | 675,0 g (23.81 oz) | 223,5 g (7.88 oz) |
| Ernährung | -- | -- |
| Gelegegröße | 2-3 | 1-2 |
| Population Trend | — | — |
Habitat Comparison
Erhaltungsstatus
Least Concern
Black-tailed Gull
Least Concern
Sandwich 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.
Sandwich Tern
Sandwich Tern, 36–41 cm, is a widespread coastal tern breeding from Western Europe and the Caspian Sea to the Caribbean. Black cap with shaggy crest, slender black bill with a yellow tip. Plunge-dives forcefully for sand eels and sprats. Strongly migratory; European birds winter to West Africa.