Arctic Tern vs Turquoise-fronted Amazon
Sterna paradisaea 비교 대상 Amazona aestiva
Side-by-Side Comparison
| 속성 | Arctic Tern | Turquoise-fronted Amazon |
|---|---|---|
| 학명 | Sterna paradisaea | Amazona aestiva |
| 목 | Charadriiformes | Psittaciformes |
| 과 | Laridae | Psittacidae |
| 보전 상태 | Least Concern | Near Threatened |
| 체장 | 34.0 cm (13.4 in) | 36.0 cm (14.2 in) |
| 날개 폭 | 80.0 cm (31.5 in) | 55.0 cm (21.7 in) |
| 체중 | 110.0 g (3.88 oz) | 400.0 g (14.11 oz) |
| 식성 | Small fish and crustaceans caught by plunge-diving from the air. Hovers briefly before diving. | Seeds, nuts, fruits, berries, and flowers. Feeds in tree canopy in noisy flocks. Occasionally raids … |
| 산란 수 | 2-3 | 1-5 |
| 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.
Turquoise-fronted Amazon
Tropical and subtropical forests, woodland, savanna, and palm groves in South America.
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.
Turquoise-fronted Amazon
Loud, raucous squawking and screaming calls. Capable of impressive vocal mimicry including human speech. Contact call is a rolling 'arr-arr'. Highly vocal in social groups.
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.
Turquoise-fronted Amazon
Interior of South America including Brazil, Bolivia, Paraguay, and northern Argentina.
보전 상태
Arctic Tern
Turquoise-fronted Amazon
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
Turquoise-fronted Amazon
Green body with a turquoise-blue forehead, yellow face, and red and blue wing patches. Red at the bend of the wing visible in flight.
Strong, hooked, dark grey upper mandible with a paler lower mandible
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.
Turquoise-fronted Amazon
The turquoise-fronted amazon is one of the most popular pet parrots in the world, prized for its ability to mimic human speech and its engaging personality. In the wild, these sociable parrots roost communally in large flocks and fly in pairs to feeding sites at dawn. Habitat loss and trapping for the pet trade threaten wild populations.