New Zealand Storm-petrel vs Polynesian Storm-petrel

Fregetta maoriana compared with Nesofregetta fuliginosa

Side-by-Side Comparison

Attribute New Zealand Storm-petrel Polynesian Storm-petrel
Scientific Name Fregetta maoriana Nesofregetta fuliginosa
Order Procellariiformes Procellariiformes
Family Oceanitidae Oceanitidae
Conservation Status Critically Endangered Endangered
Length — —
Wingspan 28.2 cm (11.1 in) 39.5 cm (15.6 in)
Weight 34.75 g (1.23 oz) 71.0 g (2.50 oz)
Diet -- --
Clutch Size 1 1
Population Trend — —

Habitat Comparison

Shared Habitats

None

New Zealand Storm-petrel only

Polynesian Storm-petrel only

Conservation Status

Critically Endangered

New Zealand Storm-petrel

Endangered

Polynesian Storm-petrel

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.

Polynesian Storm-petrel

Polynesian Storm-petrel, 25–26 cm, is the largest storm-petrel, breeding on tropical Pacific islands from the Marquesas to the Cook Islands. Two morphs: dark and white-bellied. Flies with distinctive high bounding style. Vulnerable; predated by introduced rats and cats on nesting islands. Planktivore.

More Birds to Explore