Arctic Tern vs Peruvian Tern
Sterna paradisaea 비교 대상 Sternula lorata
Side-by-Side Comparison
| 속성 | Arctic Tern | Peruvian Tern |
|---|---|---|
| 학명 | Sterna paradisaea | Sternula lorata |
| 목 | Charadriiformes | Charadriiformes |
| 과 | Laridae | Laridae |
| 보전 상태 | Least Concern | Endangered |
| 체장 | 34.0 cm (13.4 in) | — |
| 날개 폭 | 80.0 cm (31.5 in) | 34.7 cm (13.7 in) |
| 체중 | 110.0 g (3.88 oz) | 52.0 g (1.83 oz) |
| 식성 | Small fish and crustaceans caught by plunge-diving from the air. Hovers briefly before diving. | -- |
| 산란 수 | 2-3 | 1-2 |
| 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.
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.
Peruvian Tern
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.
Peruvian Tern
보전 상태
Arctic Tern
Peruvian Tern
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
Peruvian Tern
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.
Peruvian Tern
Peruvian Tern, 23–25 cm, is an Endangered tern restricted to the Humboldt Current coastline of Peru and northern Chile. White forehead, yellow bill, grey above. Breeds on barren coastal deserts and fishmeal industry areas. Severely threatened by habitat disturbance and introduced predators.