Chatham Islands Petrel vs Heinroth's Shearwater
Pterodroma axillaris ile kıyaslandığında Puffinus heinrothi
Side-by-Side Comparison
| Özellik | Chatham Islands Petrel | Heinroth's Shearwater |
|---|---|---|
| Bilimsel Ad | Pterodroma axillaris | Puffinus heinrothi |
| Takım | Procellariiformes | Procellariiformes |
| Familya | Procellariidae | Procellariidae |
| Koruma Durumu | Vulnerable | Vulnerable |
| Uzunluk | — | — |
| Kanat Açıklığı | 42,4 cm (16.7 in) | 35,7 cm (14.1 in) |
| Ağırlık | 226,25 g (7.98 oz) | 82,0 g (2.89 oz) |
| Beslenme | -- | -- |
| Kuluçka Büyüklüğü | 1 | -- |
| Population Trend | — | — |
Habitat Comparison
Ortak Yaşam Alanları
Hiçbiri
Chatham Islands Petrel only
Heinroth's Shearwater only
Hiçbiri
Koruma Durumu
Vulnerable
Chatham Islands Petrel
Vulnerable
Heinroth's 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.
Heinroth's Shearwater
27 cm. Small dark shearwater; all sooty-brown with pale bill. Breeds Solomon Islands and Papua New Guinea. Critically Endangered; extremely poorly known with only a handful of records. Breeding biology almost completely unknown; one of the rarest and least-studied seabirds.