Arctic Tern vs Eurasian Wren
Sterna paradisaea 비교 대상 Troglodytes troglodytes
Side-by-Side Comparison
| 속성 | Arctic Tern | Eurasian Wren |
|---|---|---|
| 학명 | Sterna paradisaea | Troglodytes troglodytes |
| 목 | Charadriiformes | Passeriformes |
| 과 | Laridae | Troglodytidae |
| 보전 상태 | Least Concern | Least Concern |
| 체장 | 34.0 cm (13.4 in) | 9.5 cm (3.7 in) |
| 날개 폭 | 80.0 cm (31.5 in) | 15.0 cm (5.9 in) |
| 체중 | 110.0 g (3.88 oz) | 9.0 g (0.32 oz) |
| 식성 | Small fish and crustaceans caught by plunge-diving from the air. Hovers briefly before diving. | Insects and spiders, gleaned from dense vegetation, rock crevices, and bark. Active and restless forager. |
| 산란 수 | 2-3 | 3-9 |
| 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.
Eurasian Wren
Dense undergrowth in woodlands, gardens, hedgerows, and rocky areas. Prefers tangled vegetation close to the ground.
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.
Eurasian Wren
Extraordinarily loud for its tiny size: a rapid, powerful stream of trills, buzzes, and churring phrases. One of Europe's loudest songs by volume relative to body weight.
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.
Eurasian Wren
Eurasia from Iceland and western Europe to Japan. The only wren species found outside the Americas.
보전 상태
Arctic Tern
Eurasian Wren
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
Eurasian Wren
Warm rufous-brown upperparts with fine dark barring. Pale buffy underparts with barred flanks. Short, often cocked tail.
Thin, slightly curved, 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.
Eurasian Wren
굴뚝새는 유럽에서 가장 작은 새 중 하나이지만 놀랍도록 큰 소리로 노래한다. 몸무게 10g 미만이지만 노래 소리는 500m 이상 퍼진다. 추운 날에는 집단으로 모여 체온을 유지한다.