White-bellied Storm-petrel vs New Zealand Storm-petrel
Fregetta grallaria مقارنةً بـ Fregetta maoriana
Side-by-Side Comparison
| السمة | White-bellied Storm-petrel | New Zealand Storm-petrel |
|---|---|---|
| الاسم العلمي | Fregetta grallaria | Fregetta maoriana |
| الرتبة | Procellariiformes | Procellariiformes |
| الفصيلة | Oceanitidae | Oceanitidae |
| حالة الحفاظ | Least Concern | Critically Endangered |
| الطول | — | — |
| طول الجناح | 33,7 cm (13.3 in) | 28,2 cm (11.1 in) |
| الوزن | 53,9 g (1.90 oz) | 34,75 g (1.23 oz) |
| النظام الغذائي | -- | -- |
| عدد البيض في الوضع | 1 | 1 |
| Population Trend | — | — |
Habitat Comparison
الموائل المشتركة
بلا
White-bellied Storm-petrel only
New Zealand Storm-petrel only
حالة الحفاظ
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.