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Side-by-Side Comparison

คุณสมบัติ	New Zealand Storm-petrel	Grey-backed Storm-petrel
ชื่อวิทยาศาสตร์	Fregetta maoriana	Garrodia nereis
อันดับ	Procellariiformes	Procellariiformes
วงศ์ตระกูล	Oceanitidae	Oceanitidae
สถานะการอนุรักษ์	Critically Endangered	Least Concern
ความยาว	—	—
กว้างปีก	28.2 cm (11.1 in)	25.0 cm (9.8 in)
น้ำหนัก	34.75 g (1.23 oz)	32.5 g (1.15 oz)
อาหาร	--	--
จำนวนไข่	1	1
Population Trend	—	—

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Habitat Comparison

ถิ่นที่อยู่อาศัยร่วมกัน

ไม่มี

New Zealand Storm-petrel only

🌲 Forest

Grey-backed Storm-petrel only

🌾 Grassland

{# ════════════════════════════════════════════════════════════════════════ Song & Call Comparison ════════════════════════════════════════════════════════════════════════ #} {# ════════════════════════════════════════════════════════════════════════ Geographic Range & Migration ════════════════════════════════════════════════════════════════════════ #} {# ════════════════════════════════════════════════════════════════════════ Conservation Status Comparison ════════════════════════════════════════════════════════════════════════ #}

สถานะการอนุรักษ์

Critically Endangered

New Zealand Storm-petrel

Least Concern

Grey-backed Storm-petrel

{# ════════════════════════════════════════════════════════════════════════ Identification Tips — How to Tell Them Apart ════════════════════════════════════════════════════════════════════════ #} {# ════════════════════════════════════════════════════════════════════════ About Each Bird (Descriptions) ════════════════════════════════════════════════════════════════════════ #}

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.

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More Birds to Explore

More from Oceanitidae

Wilson's Storm-petrel Oceanites oceanicus White-faced Storm-petrel Pelagodroma marina White-bellied Storm-petrel Fregetta grallaria White-vented Storm-petrel Oceanites gracilis All Oceanitidae birds →

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