Arctic Tern vs Emperor Penguin
Sterna paradisaea 비교 대상 Aptenodytes forsteri
Side-by-Side Comparison
| 속성 | Arctic Tern | Emperor Penguin |
|---|---|---|
| 학명 | Sterna paradisaea | Aptenodytes forsteri |
| 목 | Charadriiformes | Sphenisciformes |
| 과 | Laridae | Spheniscidae |
| 보전 상태 | Least Concern | Near Threatened |
| 체장 | 34.0 cm (13.4 in) | 115.0 cm (45.3 in) |
| 날개 폭 | 80.0 cm (31.5 in) | 76.0 cm (29.9 in) |
| 체중 | 110.0 g (3.88 oz) | 30000.0 g (1058.22 oz) |
| 식성 | Small fish and crustaceans caught by plunge-diving from the air. Hovers briefly before diving. | Primarily Antarctic silverfish, krill, and squid. The deepest-diving bird, reaching depths over 500 meters and … |
| 산란 수 | 2-3 | 1 |
| 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.
Emperor Penguin
Antarctic pack ice and surrounding Southern Ocean. The only penguin species that breeds during the Antarctic winter.
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.
Emperor Penguin
Loud, resonant trumpeting calls used for individual recognition in dense colonies. Each bird's call is unique in frequency. Also gives softer contact 'braying' notes.
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.
Emperor Penguin
Antarctic continent and surrounding sea ice. Breeding colonies are found along the entire Antarctic coastline.
보전 상태
Arctic Tern
Emperor Penguin
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
Emperor Penguin
Black head, chin, and dorsal side with white belly. Bright yellow-orange ear patches fade to pale yellow on the upper breast.
Long, slightly decurved bill — black with orange or pink mandible stripe
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.
Emperor Penguin
황제펭귄은 모든 펭귄 중 가장 크고 무거운 종이다. 남극 겨울에 번식하며 영하 60도의 혹독한 추위를 견딘다. 수컷이 두 달 이상 알을 품는 동안 먹이 없이 버티는 것으로 유명하다.