Arctic Tern vs 부채머리독수리
Sterna paradisaea 비교 대상 Harpia harpyja
Side-by-Side Comparison
| 속성 | Arctic Tern | 부채머리독수리 |
|---|---|---|
| 학명 | Sterna paradisaea | Harpia harpyja |
| 목 | Charadriiformes | Accipitriformes |
| 과 | Laridae | Accipitridae |
| 보전 상태 | Least Concern | Vulnerable |
| 체장 | 34.0 cm (13.4 in) | 100.0 cm (39.4 in) |
| 날개 폭 | 80.0 cm (31.5 in) | 200.0 cm (78.7 in) |
| 체중 | 110.0 g (3.88 oz) | 7500.0 g (264.55 oz) |
| 식성 | Small fish and crustaceans caught by plunge-diving from the air. Hovers briefly before diving. | Arboreal mammals including sloths, monkeys, and opossums, which make up over 70% of the diet. … |
| 산란 수 | 2-3 | 2-3 |
| 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.
부채머리독수리
Tropical lowland rainforests, requiring large tracts of continuous forest with tall emergent trees for nesting.
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.
부채머리독수리
Rarely heard; emits mournful whistled screams 'wheee-oo' and low croaking grunts near the nest. Vocalizations poorly documented given its remote Amazonian habitat.
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.
부채머리독수리
Central and South America from southern Mexico through Brazil and northern Argentina. Range is shrinking due to deforestation.
보전 상태
Arctic Tern
부채머리독수리
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
부채머리독수리
Slate-black upperparts and head with a pale grey breast and white underparts with black barring. A distinctive split grey crest rises when the bird is alarmed.
Massive dark hooked bill, one of the largest of any eagle
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.
부채머리독수리
하피수리는 세계에서 가장 강력한 맹금 중 하나로 발톱이 회색곰의 발톱만큼 크다. 멕시코에서 볼리비아와 브라질까지 아메리카 열대우림에 서식하며 나무늘보, 원숭이, 이구아나 등을 사냥한다.