Arctic Tern vs Superb Fairywren
Sterna paradisaea 比較対象 Malurus cyaneus
Side-by-Side Comparison
| 属性 | Arctic Tern | Superb Fairywren |
|---|---|---|
| 学名 | Sterna paradisaea | Malurus cyaneus |
| 目 | Charadriiformes | Passeriformes |
| 科 | Laridae | Maluridae |
| 保全状況 | Least Concern | Least Concern |
| 体長 | 34.0 cm (13.4 in) | 14.0 cm (5.5 in) |
| 翼開長 | 80.0 cm (31.5 in) | 16.0 cm (6.3 in) |
| 体重 | 110.0 g (3.88 oz) | 10.0 g (0.35 oz) |
| 食性 | Small fish and crustaceans caught by plunge-diving from the air. Hovers briefly before diving. | Primarily insects and other small invertebrates gleaned from low vegetation. Also takes seeds and small … |
| 一腹卵数 | 2-3 | 2-4 |
| 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.
Superb Fairywren
Dense undergrowth in eucalyptus woodland, gardens, parks, and heath throughout southeastern Australia.
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.
Superb Fairywren
An extremely complex, melodic song: a long series of trills and warbles delivered rapidly. Males sing throughout the day. Alarm is a sharp 'tseet'. Among Australia's finest singers.
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.
Superb Fairywren
Southeastern Australia from Queensland through New South Wales, Victoria, to South Australia and Tasmania.
保全状況
Arctic Tern
Superb Fairywren
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
Superb Fairywren
Breeding males have a brilliant violet-blue crown, ear coverts, and mantle with a black throat band. Non-breeding males and females are plain brown with a blue tail.
Fine, pointed, dark bill
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。
Superb Fairywren
The superb fairywren is one of Australia's most beloved and recognizable birds, with breeding males dressed in spectacular violet-blue plumage. These tiny birds live in cooperative family groups where helpers assist the breeding pair in raising young. Males pluck and present yellow flower petals to females as part of courtship.