Arctic Tern vs 亚马逊鹦鹉
Sterna paradisaea 对比 Amazona aestiva
Side-by-Side Comparison
| 属性 | Arctic Tern | 亚马逊鹦鹉 |
|---|---|---|
| 学名 | Sterna paradisaea | Amazona aestiva |
| 目 | Charadriiformes | Psittaciformes |
| 科 | Laridae | Psittacidae |
| 保护状况 | Least Concern | Near Threatened |
| 体长 | 34.0 cm (13.4 in) | 36.0 cm (14.2 in) |
| 翼展 | 80.0 cm (31.5 in) | 55.0 cm (21.7 in) |
| 体重 | 110.0 g (3.88 oz) | 400.0 g (14.11 oz) |
| 食性 | 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 … |
| 产卵数 | 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.
亚马逊鹦鹉
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.
亚马逊鹦鹉
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.
亚马逊鹦鹉
Interior of South America including Brazil, Bolivia, Paraguay, and northern Argentina.
保护状况
Arctic Tern
亚马逊鹦鹉
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
亚马逊鹦鹉
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
北极燕鸥进行所有动物中最长的迁徙，每年从北极繁殖地飞往南极越冬地，往返距离超过70,000公里。体型纤细，翼展约80厘米，全身主要为白色，具黑色头冠和红色喙。无危；繁殖于北极和亚北极海岸及岛屿，全球种群约200万只。
亚马逊鹦鹉
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.