White-bellied Storm-petrel vs New Zealand Storm-petrel
Fregetta grallaria verglichen mit Fregetta maoriana
Side-by-Side Comparison
| Merkmal | White-bellied Storm-petrel | New Zealand Storm-petrel |
|---|---|---|
| Wissenschaftlicher Name | Fregetta grallaria | Fregetta maoriana |
| Ordnung | Procellariiformes | Procellariiformes |
| Familie | Oceanitidae | Oceanitidae |
| Erhaltungsstatus | Least Concern | Critically Endangered |
| Länge | — | — |
| Flügelspannweite | 33,7 cm (13.3 in) | 28,2 cm (11.1 in) |
| Gewicht | 53,9 g (1.90 oz) | 34,75 g (1.23 oz) |
| Ernährung | -- | -- |
| Gelegegröße | 1 | 1 |
| Population Trend | — | — |
Habitat Comparison
Gemeinsame Lebensräume
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White-bellied Storm-petrel only
New Zealand Storm-petrel only
Erhaltungsstatus
Least Concern
White-bellied Storm-petrel
Critically Endangered
New Zealand Storm-petrel
About These Birds
White-bellied Storm-petrel
White-bellied Storm-petrel, 18–21 cm, breeds on sub-Antarctic and South Atlantic islands; pelagic across the Southern Ocean in winter. White belly contrasts with dark breast band and dark upperparts; pale at base of rump. Planktivore; patters over sea surface. Often seen in the company of Wilson's Storm-petrel.
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.