Arctic Tern vs European Robin
Sterna paradisaea 비교 대상 Erithacus rubecula
Side-by-Side Comparison
| 속성 | Arctic Tern | European Robin |
|---|---|---|
| 학명 | Sterna paradisaea | Erithacus rubecula |
| 목 | Charadriiformes | Passeriformes |
| 과 | Laridae | Muscicapidae |
| 보전 상태 | Least Concern | Least Concern |
| 체장 | 34.0 cm (13.4 in) | 14.0 cm (5.5 in) |
| 날개 폭 | 80.0 cm (31.5 in) | 21.0 cm (8.3 in) |
| 체중 | 110.0 g (3.88 oz) | 18.0 g (0.63 oz) |
| 식성 | Small fish and crustaceans caught by plunge-diving from the air. Hovers briefly before diving. | Insects, worms, and berries. Often follows gardeners and large animals to catch invertebrates disturbed from … |
| 산란 수 | 2-3 | 4-7 |
| 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 Robin
Woodlands, hedgerows, parks, and gardens across Europe. Remarkably tame around humans, especially in Britain.
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 Robin
Exquisite, melancholic melody of thin whistled phrases, rising and falling softly. Rich, warbling song year-round; both sexes sing. Alarm call is a sharp 'tic-tic-tic'.
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 Robin
Europe, western Asia, and parts of North Africa. Northern populations migrate south in winter; western European populations are largely resident.
보전 상태
Arctic Tern
European Robin
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 Robin
Olive-brown upperparts with a warm orange-red breast and face bordered by grey. White belly and undertail coverts.
Thin, pointed dark brown bill
About These Birds
Arctic Tern
북극제비갈매기는 모든 동물 중 가장 긴 이동 기록을 보유하고 있어, 매년 북극에서 남극까지 약 7만 km를 왕복합니다. 약 30년의 수명 동안 달을 세 번 왕복하는 거리를 날아다닙니다. 지구상 어떤 생물보다 많은 일광을 경험하는 놀라운 새입니다.
European Robin
유럽울새는 영국에서 가장 사랑받는 새 중 하나로 국민 새로 선정되었다. 주황-붉은 가슴으로 유명하며 정원사 곁을 잘 따르는 것으로 알려져 있다. 영역 방어가 강해 동성 간 싸움도 치열하다.