Aleutian Tern vs Common Tern
Onychoprion aleuticus से तुलना Sterna hirundo
Side-by-Side Comparison
| विशेषता | Aleutian Tern | Common Tern |
|---|---|---|
| वैज्ञानिक नाम | Onychoprion aleuticus | Sterna hirundo |
| गण | Charadriiformes | Charadriiformes |
| कुल | Laridae | Laridae |
| संरक्षण स्थिति | Vulnerable | Least Concern |
| लंबाई | — | — |
| पंखों का फैलाव | 52.4 cm (20.6 in) | 50.7 cm (20.0 in) |
| वजन | 104.88 g (3.70 oz) | 125.75 g (4.44 oz) |
| आहार | -- | -- |
| अंडों की संख्या | 1-4 | 2-3 |
| Population Trend | — | — |
Habitat Comparison
संरक्षण स्थिति
Vulnerable
Aleutian Tern
Least Concern
Common 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.
Common Tern
Common Tern, 31–35 cm, wingspan 77–98 cm, is among the most widespread seabirds, breeding across the Holarctic and wintering in the Southern Hemisphere. Grey back, white below, orange-red bill with dark tip, black cap. Plunge-dives for fish. One of the longest-distance migrants in the Northern Hemisphere.