Antarctic Prion vs Chatham Islands Petrel
Pachyptila desolata comparado con Pterodroma axillaris
Side-by-Side Comparison
| Atributo | Antarctic Prion | Chatham Islands Petrel |
|---|---|---|
| Nombre científico | Pachyptila desolata | Pterodroma axillaris |
| Orden | Procellariiformes | Procellariiformes |
| Familia | Procellariidae | Procellariidae |
| Estado de conservación | Least Concern | Vulnerable |
| Longitud | — | — |
| Envergadura | 36,5 cm (14.4 in) | 42,4 cm (16.7 in) |
| Peso | 149,0 g (5.26 oz) | 226,25 g (7.98 oz) |
| Dieta | -- | -- |
| Tamaño de la puesta | 1 | 1 |
| Population Trend | — | — |
Habitat Comparison
Estado de conservación
Least Concern
Antarctic Prion
Vulnerable
Chatham Islands Petrel
About These Birds
Antarctic Prion
25–28 cm, wingspan 58–66 cm. Classic prion pattern: pale blue-grey, white below, bold dark M across upperwing. Medium-broad bill. Most abundant and widespread prion; breeds South Georgia, Heard, Kerguelen, Macquarie. Feeds on crustaceans; makes deep dives compared to congeners.
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.