Short-tailed Shearwater vs Balearic Shearwater
Ardenna tenuirostris в сравнении с Puffinus mauretanicus
Side-by-Side Comparison
| Характеристика | Short-tailed Shearwater | Balearic Shearwater |
|---|---|---|
| Научное название | Ardenna tenuirostris | Puffinus mauretanicus |
| Отряд | Procellariiformes | Procellariiformes |
| Семейство | Procellariidae | Procellariidae |
| Охранный статус | Least Concern | Critically Endangered |
| Длина | — | — |
| Размах крыльев | 52,4 cm (20.6 in) | 48,4 cm (19.1 in) |
| Масса | 695,0 g (24.52 oz) | 514,8 g (18.16 oz) |
| Питание | -- | -- |
| Размер кладки | 1 | 1 |
| Population Trend | — | — |
Habitat Comparison
Общие среды обитания
Short-tailed Shearwater only
Balearic Shearwater only
Нет
Охранный статус
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.