Streaked Shearwater vs Balearic Shearwater
Calonectris leucomelas verglichen mit Puffinus mauretanicus
Side-by-Side Comparison
| Merkmal | Streaked Shearwater | Balearic Shearwater |
|---|---|---|
| Wissenschaftlicher Name | Calonectris leucomelas | Puffinus mauretanicus |
| Ordnung | Procellariiformes | Procellariiformes |
| Familie | Procellariidae | Procellariidae |
| Erhaltungsstatus | Near Threatened | Critically Endangered |
| Länge | — | — |
| Flügelspannweite | 63,8 cm (25.1 in) | 48,4 cm (19.1 in) |
| Gewicht | 530,5 g (18.71 oz) | 514,8 g (18.16 oz) |
| Ernährung | -- | -- |
| Gelegegröße | 1 | 1 |
| Population Trend | — | — |
Habitat Comparison
Erhaltungsstatus
Near Threatened
Streaked Shearwater
Critically Endangered
Balearic Shearwater
About These Birds
Streaked Shearwater
48 cm, wingspan 122 cm. Large shearwater; brown-streaked white head and neck; brown above, white below. Breeds Japan and islands of East Asia; migrates south to Australia and Indian Ocean. Feeds on fish and squid; forms large flocks; the most abundant shearwater in NW Pacific.
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.