Antarctic Prion vs Zino's Petrel

Pachyptila desolata compared with Pterodroma madeira

Side-by-Side Comparison

Attribute Antarctic Prion Zino's Petrel
Scientific Name Pachyptila desolata Pterodroma madeira
Order Procellariiformes Procellariiformes
Family Procellariidae Procellariidae
Conservation Status Least Concern Endangered
Length
Wingspan 36.5 cm (14.4 in) 50.6 cm (19.9 in)
Weight 149.0 g (5.26 oz) 227.5 g (8.02 oz)
Diet -- --
Clutch Size 1 1
Population Trend

Habitat Comparison

Shared Habitats

None

Antarctic Prion only

Zino's Petrel only

None

Conservation Status

Least Concern

Antarctic Prion

Endangered

Zino's Petrel

About These Birds

Antarctic Prion

25–28 cm, wingspan 58–66 cm. Classic prion pattern: pale blue-grey, white below, bold dark M across upperwing. Medium-broad bill. Most abundant and widespread prion; breeds South Georgia, Heard, Kerguelen, Macquarie. Feeds on crustaceans; makes deep dives compared to congeners.

Zino's Petrel

33–36 cm. Small gadfly petrel; grey-brown above with white underparts and partial dark breast-band. Critically Endangered; breeds only on Madeira's high central mountains (fewer than 65 pairs). Threatened by light pollution, introduced predators. Long-distance migrations to Atlantic.

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