Arctic Tern vs Hawfinch
Sterna paradisaea 비교 대상 Coccothraustes coccothraustes
Side-by-Side Comparison
| 속성 | Arctic Tern | Hawfinch |
|---|---|---|
| 학명 | Sterna paradisaea | Coccothraustes coccothraustes |
| 목 | Charadriiformes | Passeriformes |
| 과 | Laridae | Fringillidae |
| 보전 상태 | Least Concern | Least Concern |
| 체장 | 34.0 cm (13.4 in) | 18.0 cm (7.1 in) |
| 날개 폭 | 80.0 cm (31.5 in) | 32.0 cm (12.6 in) |
| 체중 | 110.0 g (3.88 oz) | 55.0 g (1.94 oz) |
| 식성 | Small fish and crustaceans caught by plunge-diving from the air. Hovers briefly before diving. | Seeds and kernels, especially from cherries, olives, elms, and hornbeams. The bill exerts a force … |
| 산란 수 | 2-3 | 3-5 |
| 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.
Hawfinch
Deciduous and mixed woodland, orchards, parks, and large gardens with mature fruiting trees.
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.
Hawfinch
A sharp, metallic 'tsick' call — the primary vocalization and often all that's heard. Song is a thin, reedy warble. Generally inconspicuous vocally despite its striking appearance.
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.
Hawfinch
Europe, North Africa, and western and central Asia. Partially migratory, with northern populations moving south in winter.
보전 상태
Arctic Tern
Hawfinch
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
Hawfinch
Orange-brown head with a black bib and eye stripe. Warm brown back, grey nape, and broad white wing bar. Massive head and bill give a top-heavy appearance.
Enormously powerful, conical, pale bill capable of cracking cherry and olive stones
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.
Hawfinch
왜가리콩새는 유럽 조류 중 몸 크기 대비 가장 강력한 부리를 가져 60kg의 힘으로 체리씨를 깰 수 있다. 유럽과 아시아 온대림에 번식하며 씨앗, 과일 씨, 새순을 먹는다.