Arctic Tern vs Great Tit
Sterna paradisaea 对比 Parus major
Side-by-Side Comparison
| 属性 | Arctic Tern | Great Tit |
|---|---|---|
| 学名 | Sterna paradisaea | Parus major |
| 目 | Charadriiformes | Passeriformes |
| 科 | Laridae | Paridae |
| 保护状况 | Least Concern | Least Concern |
| 体长 | 34.0 cm (13.4 in) | 14.0 cm (5.5 in) |
| 翼展 | 80.0 cm (31.5 in) | 24.0 cm (9.4 in) |
| 体重 | 110.0 g (3.88 oz) | 18.0 g (0.63 oz) |
| 食性 | Small fish and crustaceans caught by plunge-diving from the air. Hovers briefly before diving. | Insects and spiders in summer, seeds and nuts in winter. A frequent and dominant visitor … |
| 产卵数 | 2-3 | 3-18 |
| 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.
Great Tit
Deciduous and mixed woodland, parks, gardens, and hedgerows. Readily uses nest boxes. Highly adaptable to human environments.
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.
Great Tit
A repetitive, teacher-teacher 'tee-cher, tee-cher, tee-cher'. Also gives ringing 'pink-pink' alarm. Highly versatile singer; over 40 song variants recorded from a single male.
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.
Great Tit
Widespread across Europe and Asia from Britain to Japan, and south to North Africa and Southeast Asia.
保护状况
Arctic Tern
Great Tit
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
Great Tit
Blue-black head with white cheeks. Olive-green back, yellow underparts with a broad black central stripe. White wing bar and blue-grey tail.
Short, stout, dark bill
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。
Great Tit
The great tit is the largest European tit and one of the most studied wild birds in the world. Research at Wytham Woods in Oxford has monitored great tit populations since the 1940s, contributing enormously to ecology and evolution. These innovative birds famously learned to open milk bottle tops in 20th-century Britain.