Atlantic White Tern vs Damara Tern
Gygis alba से तुलना Sternula balaenarum
Side-by-Side Comparison
| विशेषता | Atlantic White Tern | Damara Tern |
|---|---|---|
| वैज्ञानिक नाम | Gygis alba | Sternula balaenarum |
| गण | Charadriiformes | Charadriiformes |
| कुल | Laridae | Laridae |
| संरक्षण स्थिति | Least Concern | Least Concern |
| लंबाई | — | — |
| पंखों का फैलाव | 50.4 cm (19.8 in) | 33.9 cm (13.3 in) |
| वजन | 138.0 g (4.87 oz) | 50.675 g (1.79 oz) |
| आहार | -- | -- |
| अंडों की संख्या | 1 | 1-2 |
| Population Trend | — | — |
Habitat Comparison
संरक्षण स्थिति
Least Concern
Atlantic White Tern
Least Concern
Damara 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.
Damara Tern
Damara Tern, 22–24 cm, is a Vulnerable tern endemic to the Namibian and South African coast. White below, grey above, with a black cap and yellow bill. Breeds sparsely on Namibian beaches; winters north to Gulf of Guinea. Highly sensitive to coastal development and off-road vehicles.