Arctic Tern vs Common Blackbird
Sterna paradisaea 비교 대상 Turdus merula
Side-by-Side Comparison
| 속성 | Arctic Tern | Common Blackbird |
|---|---|---|
| 학명 | Sterna paradisaea | Turdus merula |
| 목 | Charadriiformes | Passeriformes |
| 과 | Laridae | Turdidae |
| 보전 상태 | Least Concern | Least Concern |
| 체장 | 34.0 cm (13.4 in) | 25.0 cm (9.8 in) |
| 날개 폭 | 80.0 cm (31.5 in) | 36.0 cm (14.2 in) |
| 체중 | 110.0 g (3.88 oz) | 100.0 g (3.53 oz) |
| 식성 | Small fish and crustaceans caught by plunge-diving from the air. Hovers briefly before diving. | Earthworms, insects, berries, and fruit. Forages on the ground, turning over leaf litter. Famously pulls … |
| 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.
Common Blackbird
Woodland, hedgerows, gardens, and parks. One of the most common garden birds across Europe.
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 Blackbird
Arguably Britain's finest songster: rich, flute-like phrases with deep, mellow quality. Sings persistently at dusk. Alarm is a sharp 'chook-chook'. Song includes liquid 'pew' notes.
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 Blackbird
Europe, Asia, and North Africa. Introduced to Australia and New Zealand. Northern populations are migratory.
보전 상태
Arctic Tern
Common Blackbird
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 Blackbird
Males are jet black with a bright yellow-orange bill and eye-ring. Females are dark brown with mottled underparts and a dull yellowish bill.
Bright yellow-orange bill in males, dull brownish 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 Blackbird
유럽 찌르레기는 유럽에서 가장 친숙하고 사랑받는 명금 중 하나로, 수컷은 광택 있는 검은 깃털과 노란 눈 테두리, 노란 부리가 특징적이다. 풍부하고 유연한 노래로 유명하며 도심 정원부터 깊은 숲까지 광범위한 서식지에서 번성한다.