Aleutian Tern vs White-fronted Tern
Onychoprion aleuticus 비교 대상 Sterna striata
Side-by-Side Comparison
| 속성 | Aleutian Tern | White-fronted Tern |
|---|---|---|
| 학명 | Onychoprion aleuticus | Sterna striata |
| 목 | Charadriiformes | Charadriiformes |
| 과 | Laridae | Laridae |
| 보전 상태 | Vulnerable | Near Threatened |
| 체장 | — | — |
| 날개 폭 | 52.4 cm (20.6 in) | 54.8 cm (21.6 in) |
| 체중 | 104.88 g (3.70 oz) | 131.5 g (4.64 oz) |
| 식성 | -- | -- |
| 산란 수 | 1-4 | 1-2 |
| Population Trend | — | — |
Habitat Comparison
보전 상태
Vulnerable
Aleutian Tern
Near Threatened
White-fronted 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.
White-fronted Tern
White-fronted Tern, 35–43 cm, is New Zealand's most common tern, breeding on coastal and riverine sites throughout the islands. White forehead contrasts with black cap; orange-red bill. Piscivore; hovers and plunge-dives in coastal waters and off river mouths. Winters on Australian coasts.