Arctic Tern vs 緋紅金剛鸚鵡
Sterna paradisaea 对比 Ara macao
Side-by-Side Comparison
| 属性 | Arctic Tern | 緋紅金剛鸚鵡 |
|---|---|---|
| 学名 | Sterna paradisaea | Ara macao |
| 目 | Charadriiformes | Psittaciformes |
| 科 | Laridae | Psittacidae |
| 保护状况 | Least Concern | Least Concern |
| 体长 | 34.0 cm (13.4 in) | 85.0 cm (33.5 in) |
| 翼展 | 80.0 cm (31.5 in) | 110.0 cm (43.3 in) |
| 体重 | 110.0 g (3.88 oz) | 1000.0 g (35.27 oz) |
| 食性 | Small fish and crustaceans caught by plunge-diving from the air. Hovers briefly before diving. | Fruits, nuts, seeds, and flowers from rainforest canopy trees. Visits clay licks to detoxify compounds … |
| 产卵数 | 2-3 | 1-4 |
| 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.
緋紅金剛鸚鵡
Humid tropical lowland rainforests, gallery forests, and forest edges. Requires large mature trees with cavities for nesting.
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.
緋紅金剛鸚鵡
Very loud, raucous squawking screams 'araak-araak'. Also gives chattering contact calls in pairs. Capable of mimicking human speech in captivity. Highly vocal throughout the day.
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.
緋紅金剛鸚鵡
Southern Mexico through Central America to Amazonian South America, including Peru, Bolivia, Brazil, and Colombia.
保护状况
Arctic Tern
緋紅金剛鸚鵡
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
緋紅金剛鸚鵡
Brilliant scarlet red body with bright yellow wing coverts and blue flight feathers and tail. Large white bare facial patch around the eye.
Large, strongly curved bill — pale horn upper mandible, dark 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。
緋紅金剛鸚鵡
The scarlet macaw is one of the most iconic tropical birds with its dazzling tricolor plumage. These highly intelligent parrots form lifelong pair bonds and can live over 75 years in captivity. They play an important ecological role as seed dispersers in Neotropical rainforests.