Arctic Tern vs Wandering Albatross
Sterna paradisaea 比較対象 Diomedea exulans
Side-by-Side Comparison
| 属性 | Arctic Tern | Wandering Albatross |
|---|---|---|
| 学名 | Sterna paradisaea | Diomedea exulans |
| 目 | Charadriiformes | Procellariiformes |
| 科 | Laridae | Diomedeidae |
| 保全状況 | Least Concern | Vulnerable |
| 体長 | 34.0 cm (13.4 in) | 117.0 cm (46.1 in) |
| 翼開長 | 80.0 cm (31.5 in) | 320.0 cm (126.0 in) |
| 体重 | 110.0 g (3.88 oz) | 9000.0 g (317.47 oz) |
| 食性 | Small fish and crustaceans caught by plunge-diving from the air. Hovers briefly before diving. | Squid, fish, and crustaceans caught from the ocean surface, often at night. Follows fishing vessels … |
| 一腹卵数 | 2-3 | 1 |
| Population Trend | — | — |
Size Comparison
Habitat Comparison
Arctic Tern
Breeds on coastal and tundra habitats. Spends most of its life at sea over the open ocean. Nests in colonies on beaches and rocky shores.
Wandering Albatross
Open ocean of the Southern Hemisphere. Breeds on remote sub-Antarctic islands. Spends years at sea between breeding attempts.
Song & Call Comparison
Arctic Tern
A sharp, grating 'kree-yah' alarm call. Also gives 'kik-kik-kik' near the nest. Highly aggressive vocally during the Arctic breeding season. Calls are harsh and insistent.
Wandering Albatross
At nesting colonies emits a loud braying 'waaah' and guttural grunts. Silent at sea for most of the year. Courtship involves ritualized mutual bill-clapping and moaning calls.
Geographic Range & Migration
Arctic Tern
Breeds in the Arctic and sub-Arctic. Migrates to the Antarctic, experiencing two summers per year. Found on every ocean.
Wandering Albatross
Southern Ocean circumpolar, breeding on South Georgia, Crozet, Kerguelen, and other sub-Antarctic islands.
保全状況
Arctic Tern
Wandering Albatross
How to Tell Them Apart
Arctic Tern
Pale grey upperparts, white underparts with a black cap. Blood-red bill and short red legs. Deeply forked tail streamers. Winter adults lose the full black cap.
Slender, pointed, bright red bill
Wandering Albatross
Adults are mostly white with black trailing edges to the wings. Juveniles are chocolate brown, whitening progressively over 5-10 years. Pink bill and pale feet.
Very large pink bill with a hooked tip and visible tubular nostrils
About These Birds
Arctic Tern
キョクアジサシはあらゆる動物の中で最長の渡りを行い、毎年北極と南極を往復する約7万kmの旅をする。30年の寿命の中に、月への往復3回分に相当する飛翔距離を積み重ねる可能性がある。地球上でどの生物よりも多くの昼光を経験するこの驚異的な鳥は、太陽を追い続ける。
Wandering Albatross
The wandering albatross has the largest wingspan of any living bird, reaching up to 3.5 meters. These oceanic nomads can circumnavigate the globe, covering over 120,000 km per year using dynamic soaring with minimal wing flapping. Pairs mate for life and may live over 60 years.