Atlantic White Tern vs Fairy Tern
Gygis alba в сравнении с Sternula nereis
Side-by-Side Comparison
| Характеристика | Atlantic White Tern | Fairy Tern |
|---|---|---|
| Научное название | Gygis alba | Sternula nereis |
| Отряд | Charadriiformes | Charadriiformes |
| Семейство | Laridae | Laridae |
| Охранный статус | Least Concern | Vulnerable |
| Длина | — | — |
| Размах крыльев | 50,4 cm (19.8 in) | 35,6 cm (14.0 in) |
| Масса | 138,0 g (4.87 oz) | 68,5 g (2.42 oz) |
| Питание | -- | -- |
| Размер кладки | 1 | 1-2 |
| Population Trend | — | — |
Habitat Comparison
Охранный статус
Least Concern
Atlantic White Tern
Vulnerable
Fairy Tern
About These Birds
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.
Fairy Tern
Fairy Tern, 22–25 cm, breeds in southern Australia, New Zealand, and New Caledonia on sandy beaches. White and pale grey with an orange-yellow bill; delicate and buoyant in flight. Piscivore; hovers and plunge-dives in shallow coastal and estuarine waters. Vulnerable due to beach disturbance.