Chatham Islands Petrel vs Atlantic Petrel
Pterodroma axillaris compared with Pterodroma incerta
Side-by-Side Comparison
| Attribute | Chatham Islands Petrel | Atlantic Petrel |
|---|---|---|
| Scientific Name | Pterodroma axillaris | Pterodroma incerta |
| Order | Procellariiformes | Procellariiformes |
| Family | Procellariidae | Procellariidae |
| Conservation Status | Vulnerable | Endangered |
| Length | — | — |
| Wingspan | 42.4 cm (16.7 in) | 63.6 cm (25.0 in) |
| Weight | 226.25 g (7.98 oz) | 515.0 g (18.17 oz) |
| Diet | -- | -- |
| Clutch Size | 1 | 1 |
| Population Trend | — | — |
Habitat Comparison
Shared Habitats
None
Chatham Islands Petrel only
Atlantic Petrel only
Conservation Status
Vulnerable
Chatham Islands Petrel
Endangered
Atlantic Petrel
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.
Atlantic Petrel
43 cm, wingspan 104 cm. Large; dark brown above with pale belly and dusky breast-band creating hooded appearance. Breeds Tristan da Cunha and Gough Island; ranges into south Atlantic and Indian Ocean. Endangered; threatened by introduced predators and longline fisheries.