Aleutian Tern vs Peruvian Tern
Onychoprion aleuticus से तुलना Sternula lorata
Side-by-Side Comparison
| विशेषता | Aleutian Tern | Peruvian Tern |
|---|---|---|
| वैज्ञानिक नाम | Onychoprion aleuticus | Sternula lorata |
| गण | Charadriiformes | Charadriiformes |
| कुल | Laridae | Laridae |
| संरक्षण स्थिति | Vulnerable | Endangered |
| लंबाई | — | — |
| पंखों का फैलाव | 52.4 cm (20.6 in) | 34.7 cm (13.7 in) |
| वजन | 104.88 g (3.70 oz) | 52.0 g (1.83 oz) |
| आहार | -- | -- |
| अंडों की संख्या | 1-4 | 1-2 |
| Population Trend | — | — |
Habitat Comparison
संरक्षण स्थिति
Vulnerable
Aleutian Tern
Endangered
Peruvian Tern
About These Birds
Aleutian Tern
Aleutian Tern, 32–34 cm, breeds colonially in Alaska and Russian Far East, wintering in Southeast Asian waters — one of the most poorly tracked migrations among seabirds. Dark grey above, white below, black cap with white forehead. Piscivore; dives for small fish. Near Threatened.
Peruvian Tern
Peruvian Tern, 23–25 cm, is an Endangered tern restricted to the Humboldt Current coastline of Peru and northern Chile. White forehead, yellow bill, grey above. Breeds on barren coastal deserts and fishmeal industry areas. Severely threatened by habitat disturbance and introduced predators.