Short-tailed Shearwater vs Balearic Shearwater
Ardenna tenuirostris 对比 Puffinus mauretanicus
Side-by-Side Comparison
| 属性 | Short-tailed Shearwater | Balearic Shearwater |
|---|---|---|
| 学名 | Ardenna tenuirostris | Puffinus mauretanicus |
| 目 | Procellariiformes | Procellariiformes |
| 科 | Procellariidae | Procellariidae |
| 保护状况 | Least Concern | Critically Endangered |
| 体长 | — | — |
| 翼展 | 52.4 cm (20.6 in) | 48.4 cm (19.1 in) |
| 体重 | 695.0 g (24.52 oz) | 514.8 g (18.16 oz) |
| 食性 | -- | -- |
| 产卵数 | 1 | 1 |
| Population Trend | — | — |
Habitat Comparison
保护状况
Least Concern
Short-tailed Shearwater
Critically Endangered
Balearic Shearwater
About These Birds
Short-tailed Shearwater
41–43 cm, wingspan 95–100 cm. Sooty-brown; silvery underwing flash. Breeds Bass Strait islands (Australia) in enormous numbers; one of the world's most abundant seabirds. Migrates to North Pacific in vast flocks. Feeds on krill and fish. Harvested sustainably as 'muttonbirds' in Tasmania.
Balearic Shearwater
30–38 cm. Brown above; variably dirty-white to brown below; often shows brown smudging on flanks. Breeds only Balearic Islands, Spain. Critically Endangered with fewer than 3,000 pairs; faces extinction. Migrates to NE Atlantic; threatened by predators, fishing bycatch, and tourist development.