Collared Petrel vs Balearic Shearwater
Pterodroma brevipes 비교 대상 Puffinus mauretanicus
Side-by-Side Comparison
| 속성 | Collared Petrel | Balearic Shearwater |
|---|---|---|
| 학명 | Pterodroma brevipes | Puffinus mauretanicus |
| 목 | Procellariiformes | Procellariiformes |
| 과 | Procellariidae | Procellariidae |
| 보전 상태 | Vulnerable | Critically Endangered |
| 체장 | — | — |
| 날개 폭 | 42.4 cm (16.7 in) | 48.4 cm (19.1 in) |
| 체중 | 137.0 g (4.83 oz) | 514.8 g (18.16 oz) |
| 식성 | -- | -- |
| 산란 수 | 1 | 1 |
| Population Trend | — | — |
Habitat Comparison
보전 상태
Vulnerable
Collared Petrel
Critically Endangered
Balearic Shearwater
About These Birds
Collared Petrel
30 cm. Polymorphic; pale morph has grey collar band contrasting with white breast; dark morph sooty grey. Breeds Fiji, Vanuatu, Tonga, Samoa. Vulnerable; threatened by introduced predators. Ranges in tropical South Pacific; feeds on squid and fish.
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.