New Zealand Storm-petrel vs Grey-backed Storm-petrel
Fregetta maoriana comparé à Garrodia nereis
Side-by-Side Comparison
| Attribut | New Zealand Storm-petrel | Grey-backed Storm-petrel |
|---|---|---|
| Nom scientifique | Fregetta maoriana | Garrodia nereis |
| Ordre | Procellariiformes | Procellariiformes |
| Famille | Oceanitidae | Oceanitidae |
| Statut de conservation | Critically Endangered | Least Concern |
| Longueur | — | — |
| Envergure | 28,2 cm (11.1 in) | 25,0 cm (9.8 in) |
| Poids | 34,75 g (1.23 oz) | 32,5 g (1.15 oz) |
| Régime alimentaire | -- | -- |
| Taille de la couvée | 1 | 1 |
| Population Trend | — | — |
Habitat Comparison
Habitats partagés
Aucun(e)
New Zealand Storm-petrel only
Grey-backed Storm-petrel only
Statut de conservation
Critically Endangered
New Zealand Storm-petrel
Least Concern
Grey-backed Storm-petrel
About These Birds
New Zealand Storm-petrel
New Zealand Storm-petrel, 16–18 cm, was thought extinct for over 150 years until rediscovered in 2003 off the Hauraki Gulf. Breeding colony finally found in 2013 on Little Barrier Island. Dark above, white below with black stripe through belly. Endangered. Planktivore in New Zealand coastal and pelagic waters.
Grey-backed Storm-petrel
Grey-backed Storm-petrel, 16–19 cm, breeds on sub-Antarctic islands across the Southern Ocean from Tristan da Cunha to the Antipodes. Pale grey back and rump distinguishes it from most other storm-petrels. Planktivore; flutters low over the sea surface picking up zooplankton.