Arctic Tern vs アオボウシインコ
Sterna paradisaea 比較対象 Amazona aestiva
Side-by-Side Comparison
| 属性 | Arctic Tern | アオボウシインコ |
|---|---|---|
| 学名 | Sterna paradisaea | Amazona aestiva |
| 目 | Charadriiformes | Psittaciformes |
| 科 | Laridae | Psittacidae |
| 保全状況 | Least Concern | Near Threatened |
| 体長 | 34.0 cm (13.4 in) | 36.0 cm (14.2 in) |
| 翼開長 | 80.0 cm (31.5 in) | 55.0 cm (21.7 in) |
| 体重 | 110.0 g (3.88 oz) | 400.0 g (14.11 oz) |
| 食性 | Small fish and crustaceans caught by plunge-diving from the air. Hovers briefly before diving. | Seeds, nuts, fruits, berries, and flowers. Feeds in tree canopy in noisy flocks. Occasionally raids … |
| 一腹卵数 | 2-3 | 1-5 |
| 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.
アオボウシインコ
Tropical and subtropical forests, woodland, savanna, and palm groves in South America.
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.
アオボウシインコ
Loud, raucous squawking and screaming calls. Capable of impressive vocal mimicry including human speech. Contact call is a rolling 'arr-arr'. Highly vocal in social groups.
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.
アオボウシインコ
Interior of South America including Brazil, Bolivia, Paraguay, and northern Argentina.
保全状況
Arctic Tern
アオボウシインコ
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
アオボウシインコ
Green body with a turquoise-blue forehead, yellow face, and red and blue wing patches. Red at the bend of the wing visible in flight.
Strong, hooked, dark grey upper mandible with a paler lower mandible
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。
アオボウシインコ
The turquoise-fronted amazon is one of the most popular pet parrots in the world, prized for its ability to mimic human speech and its engaging personality. In the wild, these sociable parrots roost communally in large flocks and fly in pairs to feeding sites at dawn. Habitat loss and trapping for the pet trade threaten wild populations.