Black-fronted Tern vs Black-tailed Gull
Chlidonias albostriatus comparé à Larus crassirostris
Side-by-Side Comparison
| Attribut | Black-fronted Tern | Black-tailed Gull |
|---|---|---|
| Nom scientifique | Chlidonias albostriatus | Larus crassirostris |
| Ordre | Charadriiformes | Charadriiformes |
| Famille | Laridae | Laridae |
| Statut de conservation | Endangered | Least Concern |
| Longueur | — | — |
| Envergure | 47,9 cm (18.9 in) | 72,8 cm (28.7 in) |
| Poids | 93,0 g (3.28 oz) | 675,0 g (23.81 oz) |
| Régime alimentaire | -- | -- |
| Taille de la couvée | 2 | 2-3 |
| Population Trend | — | — |
Habitat Comparison
Statut de conservation
Endangered
Black-fronted Tern
Least Concern
Black-tailed Gull
About These Birds
Black-fronted Tern
Black-fronted Tern, 27–30 cm, is Endemic and Near Threatened, breeding on South Island New Zealand river shingle beds. Orange bill, blue-grey body, black cap; juveniles brownish. Piscivore and insectivore; hovers and dips over braided rivers. Winters on nearby North Island and Australian coasts.
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.