Arctic Tern vs Eurasian Magpie
Sterna paradisaea 비교 대상 Pica pica
Side-by-Side Comparison
| 속성 | Arctic Tern | Eurasian Magpie |
|---|---|---|
| 학명 | Sterna paradisaea | Pica pica |
| 목 | Charadriiformes | Passeriformes |
| 과 | Laridae | Corvidae |
| 보전 상태 | Least Concern | Least Concern |
| 체장 | 34.0 cm (13.4 in) | 46.0 cm (18.1 in) |
| 날개 폭 | 80.0 cm (31.5 in) | 56.0 cm (22.0 in) |
| 체중 | 110.0 g (3.88 oz) | 220.0 g (7.76 oz) |
| 식성 | Small fish and crustaceans caught by plunge-diving from the air. Hovers briefly before diving. | Omnivorous — insects, grains, berries, carrion, eggs, and nestlings. Caches surplus food for later retrieval. |
| 산란 수 | 2-3 | 2-8 |
| 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 Magpie
Open woodland, farmland, hedgerows, parks, and gardens. Common in suburban and urban environments across Eurasia.
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 Magpie
A harsh, rapid chattering 'chach-chach-chach'. Also gives a variety of whistles and clucking notes. Known to mimic other birds and sounds. Very vocal in pairs.
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 Magpie
Europe, Asia, and northwest Africa. One of the most recognizable birds across the Palearctic region.
보전 상태
Arctic Tern
Eurasian Magpie
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 Magpie
Bold black and white pattern with iridescent blue-green gloss on the wings and long graduated tail. White scapulars and flanks contrast with the black body.
Strong, straight black 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 Magpie
까치는 지구상 가장 지능적인 동물 중 하나이자 조류 중 처음으로 거울 자기 인식을 보인 종이다. 인간의 도구 사용, 장례 행동, 복잡한 사회 구조를 모방할 수 있다.