Arctic Tern vs 虎皮鸚鵡
Sterna paradisaea 对比 Melopsittacus undulatus
Side-by-Side Comparison
| 属性 | Arctic Tern | 虎皮鸚鵡 |
|---|---|---|
| 学名 | Sterna paradisaea | Melopsittacus undulatus |
| 目 | Charadriiformes | Psittaciformes |
| 科 | Laridae | Psittaculidae |
| 保护状况 | Least Concern | Least Concern |
| 体长 | 34.0 cm (13.4 in) | 18.0 cm (7.1 in) |
| 翼展 | 80.0 cm (31.5 in) | 30.0 cm (11.8 in) |
| 体重 | 110.0 g (3.88 oz) | 30.0 g (1.06 oz) |
| 食性 | Small fish and crustaceans caught by plunge-diving from the air. Hovers briefly before diving. | Primarily grass seeds and other small seeds. In the wild, feeds on the ground in … |
| 产卵数 | 2-3 | 4-6 |
| 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.
虎皮鸚鵡
Open grasslands, scrublands, and woodland in the Australian interior. Nomadic, following rainfall and seeding events.
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.
虎皮鸚鵡
A rising, chattering 'budgerigar' chatter: rapid series of 'chek-chek-chek' and melodic warbling. Enormous wild flocks produce a continuous roaring chorus. Good vocal mimics in captivity.
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.
虎皮鸚鵡
Interior of Australia, especially arid and semi-arid regions. One of the most popular pet birds worldwide.
保护状况
Arctic Tern
虎皮鸚鵡
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
虎皮鸚鵡
Wild-type is green with yellow head and barred black scalloping on upperparts. Captive-bred varieties include blue, white, yellow, and many other colors.
Short, downward-curved, olive-grey bill typical of parakeets
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。
虎皮鸚鵡
The budgerigar is the third most popular pet in the world after dogs and cats, and by far the most common pet parrot. Wild budgies travel in enormous nomadic flocks that can darken the sky. Males can learn to mimic human speech, with one record-holding budgie having a vocabulary of 1,728 words.