White-bellied Storm-petrel vs New Caledonian Storm-petrel
Fregetta grallaria compared with Fregetta lineata
Side-by-Side Comparison
| Attribute | White-bellied Storm-petrel | New Caledonian Storm-petrel |
|---|---|---|
| Scientific Name | Fregetta grallaria | Fregetta lineata |
| Order | Procellariiformes | Procellariiformes |
| Family | Oceanitidae | Oceanitidae |
| Conservation Status | Least Concern | Data Deficient |
| Length | — | — |
| Wingspan | 33.7 cm (13.3 in) | — |
| Weight | 53.9 g (1.90 oz) | — |
| Diet | -- | -- |
| Clutch Size | 1 | -- |
| Population Trend | — | — |
Habitat Comparison
Shared Habitats
None
White-bellied Storm-petrel only
New Caledonian Storm-petrel only
None
Conservation Status
Least Concern
White-bellied Storm-petrel
Data Deficient
New Caledonian 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 Caledonian Storm-petrel
New Caledonian Storm-petrel, 18–20 cm, is an extremely poorly known species recorded only from around New Caledonia in the southwest Pacific. Until recently unconfirmed as a breeding species; a small colony was found in 2021. Morphology similar to Black-bellied Storm-petrel; conservation status under review.