Arctic Tern vs Superb Fairywren
Sterna paradisaea 对比 Malurus cyaneus
Side-by-Side Comparison
| 属性 | Arctic Tern | Superb Fairywren |
|---|---|---|
| 学名 | Sterna paradisaea | Malurus cyaneus |
| 目 | Charadriiformes | Passeriformes |
| 科 | Laridae | Maluridae |
| 保护状况 | Least Concern | Least Concern |
| 体长 | 34.0 cm (13.4 in) | 14.0 cm (5.5 in) |
| 翼展 | 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 … |
| 产卵数 | 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.
保护状况
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
北极燕鸥进行所有动物中最长的迁徙，每年从北极繁殖地飞往南极越冬地，往返距离超过70,000公里。体型纤细，翼展约80厘米，全身主要为白色，具黑色头冠和红色喙。无危；繁殖于北极和亚北极海岸及岛屿，全球种群约200万只。
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.