Chatham Islands Petrel vs Balearic Shearwater
Pterodroma axillaris ile kıyaslandığında Puffinus mauretanicus
Side-by-Side Comparison
| Özellik | Chatham Islands Petrel | Balearic Shearwater |
|---|---|---|
| Bilimsel Ad | Pterodroma axillaris | Puffinus mauretanicus |
| Takım | Procellariiformes | Procellariiformes |
| Familya | Procellariidae | Procellariidae |
| Koruma Durumu | Vulnerable | Critically Endangered |
| Uzunluk | — | — |
| Kanat Açıklığı | 42,4 cm (16.7 in) | 48,4 cm (19.1 in) |
| Ağırlık | 226,25 g (7.98 oz) | 514,8 g (18.16 oz) |
| Beslenme | -- | -- |
| Kuluçka Büyüklüğü | 1 | 1 |
| Population Trend | — | — |
Habitat Comparison
Ortak Yaşam Alanları
Hiçbiri
Chatham Islands Petrel only
Balearic Shearwater only
Koruma Durumu
Vulnerable
Chatham Islands Petrel
Critically Endangered
Balearic Shearwater
About These Birds
Chatham Islands Petrel
30 cm. Small; dark grey above with white forehead and underparts; distinctive black axillaries. Critically Endangered; breeds only South East Island, Chatham Islands (few hundred pairs). Threatened by weka predation; intensive management sustains population. Ranges in temperate 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.