Arctic Tern vs セキセイインコ
Sterna paradisaea 比較対象 Melopsittacus undulatus
Side-by-Side Comparison
| 属性 | Arctic Tern | セキセイインコ |
|---|---|---|
| 学名 | Sterna paradisaea | Melopsittacus undulatus |
| 目 | Charadriiformes | Psittaciformes |
| 科 | Laridae | Psittaculidae |
| 保全状況 | Least Concern | Least Concern |
| 体長 | 34.0 cm (13.4 in) | 18.0 cm (7.1 in) |
| 翼開長 | 80.0 cm (31.5 in) | 30.0 cm (11.8 in) |
| 体重 | 110.0 g (3.88 oz) | 30.0 g (1.06 oz) |
| 食性 | Small fish and crustaceans caught by plunge-diving from the air. Hovers briefly before diving. | Primarily grass seeds and other small seeds. In the wild, feeds on the ground in … |
| 一腹卵数 | 2-3 | 4-6 |
| 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.
セキセイインコ
Open grasslands, scrublands, and woodland in the Australian interior. Nomadic, following rainfall and seeding events.
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.
セキセイインコ
A rising, chattering 'budgerigar' chatter: rapid series of 'chek-chek-chek' and melodic warbling. Enormous wild flocks produce a continuous roaring chorus. Good vocal mimics in captivity.
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.
セキセイインコ
Interior of Australia, especially arid and semi-arid regions. One of the most popular pet birds worldwide.
保全状況
Arctic Tern
セキセイインコ
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
セキセイインコ
Wild-type is green with yellow head and barred black scalloping on upperparts. Captive-bred varieties include blue, white, yellow, and many other colors.
Short, downward-curved, olive-grey bill typical of parakeets
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。
セキセイインコ
セキセイインコは犬・猫に次いで世界で3番目に人気のあるペットで、ペットのオウムの中では圧倒的に最もポピュラー。野生のセキセイインコは空を暗くするほどの巨大な遊牧的群れを形成して移動する。雄は人間の言葉を真似ることができ、1,728語の語彙を持つ記録保持者のセキセイインコがいる。