Arctic Tern vs European Bee-eater
Sterna paradisaea 比較対象 Merops apiaster
Side-by-Side Comparison
| 属性 | Arctic Tern | European Bee-eater |
|---|---|---|
| 学名 | Sterna paradisaea | Merops apiaster |
| 目 | Charadriiformes | Coraciiformes |
| 科 | Laridae | Meropidae |
| 保全状況 | Least Concern | Least Concern |
| 体長 | 34.0 cm (13.4 in) | 28.0 cm (11.0 in) |
| 翼開長 | 80.0 cm (31.5 in) | 38.0 cm (15.0 in) |
| 体重 | 110.0 g (3.88 oz) | 56.0 g (1.98 oz) |
| 食性 | Small fish and crustaceans caught by plunge-diving from the air. Hovers briefly before diving. | Primarily bees, wasps, and hornets caught in flight. Removes stingers by beating prey against a … |
| 一腹卵数 | 2-3 | 4-10 |
| 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.
European Bee-eater
Open country with scattered trees, sandy banks, and river cliffs for nesting. Breeds in colonies in tunnels dug into earth banks.
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.
European Bee-eater
A liquid, melodic 'pruik-pruik' or rolling 'prruup-pruup' in flight. Flocks give a distinctive far-carrying bubbling call audible before birds are seen. Considered a pleasant sound.
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.
European Bee-eater
Southern Europe, North Africa, and western Asia. Winters in tropical Africa. A long-distance migrant.
保全状況
Arctic Tern
European Bee-eater
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
European Bee-eater
Richly colored with a chestnut-brown crown and back, golden-yellow scapulars, turquoise-blue underparts, and a black eye stripe. Central tail feathers are elongated.
Long, slender, slightly decurved black 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。
European Bee-eater
ヨーロッパで最も鮮やかな色彩を持つ鳥の一つで、蜂や蛍などを捕食する。巣穴をトンネル状に掘る習性がある。