White-bellied Storm-petrel vs New Zealand Storm-petrel
Fregetta grallaria so với Fregetta maoriana
Side-by-Side Comparison
| Thuộc Tính | White-bellied Storm-petrel | New Zealand Storm-petrel |
|---|---|---|
| Tên Khoa Học | Fregetta grallaria | Fregetta maoriana |
| Bộ | Procellariiformes | Procellariiformes |
| Họ | Oceanitidae | Oceanitidae |
| Tình Trạng Bảo Tồn | Least Concern | Critically Endangered |
| Chiều Dài | — | — |
| Chiều Dài Sải Cánh | 33,7 cm (13.3 in) | 28,2 cm (11.1 in) |
| Khối Lượng | 53,9 g (1.90 oz) | 34,75 g (1.23 oz) |
| Chế Độ Ăn | -- | -- |
| Số Trứng | 1 | 1 |
| Population Trend | — | — |
Habitat Comparison
Môi Trường Sống Chung
Không
White-bellied Storm-petrel only
New Zealand Storm-petrel only
Tình Trạng Bảo Tồn
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.