Arctic Tern vs Belted Kingfisher
Sterna paradisaea 비교 대상 Megaceryle alcyon
Side-by-Side Comparison
| 속성 | Arctic Tern | Belted Kingfisher |
|---|---|---|
| 학명 | Sterna paradisaea | Megaceryle alcyon |
| 목 | Charadriiformes | Coraciiformes |
| 과 | Laridae | Alcedinidae |
| 보전 상태 | Least Concern | Least Concern |
| 체장 | 34.0 cm (13.4 in) | 33.0 cm (13.0 in) |
| 날개 폭 | 80.0 cm (31.5 in) | 53.0 cm (20.9 in) |
| 체중 | 110.0 g (3.88 oz) | 150.0 g (5.29 oz) |
| 식성 | Small fish and crustaceans caught by plunge-diving from the air. Hovers briefly before diving. | Primarily small fish caught by plunge-diving from a perch or hover. Also takes crayfish, frogs, … |
| 산란 수 | 2-3 | 6-7 |
| 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.
Belted Kingfisher
Rivers, streams, lakes, ponds, estuaries, and coastlines with clear water and suitable perches. Nests in burrows dug into earthen banks.
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.
Belted Kingfisher
A loud, rattling 'klee-klee-klee-klee' — mechanical and penetrating. Given in flight along rivers. Also a harsh 'kekekek' near nest. Far louder than Common Kingfisher.
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.
Belted Kingfisher
North America from Alaska and Canada to Central America and the Caribbean. Northern populations migrate south in winter.
보전 상태
Arctic Tern
Belted 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
Belted Kingfisher
Blue-grey upperparts with a shaggy crest and a white collar. Males have a single blue-grey breast band; females have an additional rufous belly band.
Long, heavy, straight, dark dagger-like 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.
Belted Kingfisher
물총새는 암컷이 수컷보다 더 화려하여 추가적인 붉은색 배 밴드를 가지는 것이 특이합니다. 이 시끄러운 새들은 독특한 덜컹거리는 소리로 영역을 알립니다. 강둑에 무거운 부리를 사용하여 최대 2.4m 깊이의 둥지 굴을 판다.