Aleutian Tern vs Saunders's Tern
Onychoprion aleuticus 비교 대상 Sternula saundersi
Side-by-Side Comparison
| 속성 | Aleutian Tern | Saunders's Tern |
|---|---|---|
| 학명 | Onychoprion aleuticus | Sternula saundersi |
| 목 | Charadriiformes | Charadriiformes |
| 과 | Laridae | Laridae |
| 보전 상태 | Vulnerable | Least Concern |
| 체장 | — | — |
| 날개 폭 | 52.4 cm (20.6 in) | 33.6 cm (13.2 in) |
| 체중 | 104.88 g (3.70 oz) | 41.825 g (1.48 oz) |
| 식성 | -- | -- |
| 산란 수 | 1-4 | 2 |
| Population Trend | — | — |
Habitat Comparison
보전 상태
Vulnerable
Aleutian Tern
Least Concern
Saunders's 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.
Saunders's Tern
Saunders's Tern, 22–24 cm, is a small coastal tern of the Red Sea, Persian Gulf, and Indian Ocean coasts. Very similar to Little Tern; separated by darker outer primaries and slightly smaller size. Piscivore; hovers and dives in shallow coastal waters and tidal mudflats.