Black-fronted Tern vs Atlantic White Tern
Chlidonias albostriatus مقارنةً بـ Gygis alba
Side-by-Side Comparison
| السمة | Black-fronted Tern | Atlantic White Tern |
|---|---|---|
| الاسم العلمي | Chlidonias albostriatus | Gygis alba |
| الرتبة | Charadriiformes | Charadriiformes |
| الفصيلة | Laridae | Laridae |
| حالة الحفاظ | Endangered | Least Concern |
| الطول | — | — |
| طول الجناح | 47,9 cm (18.9 in) | 50,4 cm (19.8 in) |
| الوزن | 93,0 g (3.28 oz) | 138,0 g (4.87 oz) |
| النظام الغذائي | -- | -- |
| عدد البيض في الوضع | 2 | 1 |
| Population Trend | — | — |
Habitat Comparison
حالة الحفاظ
Endangered
Black-fronted Tern
Least Concern
Atlantic White Tern
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.
Atlantic White Tern
Atlantic White Tern: 28–33 cm, wingspan 76–87 cm, ethereally white seabird with blue-grey bill, blue orbital ring, and large dark eyes. Breeds on tropical Atlantic islands including Ascension and Saint Helena; related species widespread across the Indo-Pacific. Nests on bare branches with no nest material. Feeds on small fish near the surface.