Arctic Tern vs Common Kingfisher
Sterna paradisaea 비교 대상 Alcedo atthis
Side-by-Side Comparison
| 속성 | Arctic Tern | Common Kingfisher |
|---|---|---|
| 학명 | Sterna paradisaea | Alcedo atthis |
| 목 | Charadriiformes | Coraciiformes |
| 과 | Laridae | Alcedinidae |
| 보전 상태 | Least Concern | Least Concern |
| 체장 | 34.0 cm (13.4 in) | 17.0 cm (6.7 in) |
| 날개 폭 | 80.0 cm (31.5 in) | 25.0 cm (9.8 in) |
| 체중 | 110.0 g (3.88 oz) | 36.0 g (1.27 oz) |
| 식성 | Small fish and crustaceans caught by plunge-diving from the air. Hovers briefly before diving. | Small fish, aquatic insects, and crustaceans. Hunts from a low perch over water, diving headfirst … |
| 산란 수 | 2-3 | 3-10 |
| 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.
Common Kingfisher
Clear, slow-flowing rivers, streams, lakes, and ponds with suitable perching and nesting banks. Requires clean water with good fish populations.
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.
Common Kingfisher
A sharp, penetrating 'chee' whistle given in flight, often the first indication of its presence. Short, shrill single note as it darts low over rivers. Contact call is a rippling …
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.
Common Kingfisher
Widespread across Europe, Asia, and North Africa. Northern populations migrate south in winter.
보전 상태
Arctic Tern
Common Kingfisher
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
Common Kingfisher
Brilliant electric blue upperparts and orange underparts. Blue-green crown with darker barring. White throat patch and cheek spots. A flash of blue in flight.
Long, straight, dagger-like dark bill — orange base on the lower mandible in females
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.
Common Kingfisher
물총새는 수로의 눈부신 보석으로, 무지갯빛 파란 깃털과 밝은 주황색 아랫면이 물 위로 화살처럼 다이빙할 때 번쩍인다. 맑은 강과 개울, 호수 가에 서식하며 물고기를 주식으로 삼는다.