Zino's Petrel vs Antarctic Petrel

Pterodroma madeira compared with Thalassoica antarctica

Side-by-Side Comparison

Attribute Zino's Petrel Antarctic Petrel
Scientific Name Pterodroma madeira Thalassoica antarctica
Order Procellariiformes Procellariiformes
Family Procellariidae Procellariidae
Conservation Status Endangered Least Concern
Length — —
Wingspan 50.6 cm (19.9 in) 59.2 cm (23.3 in)
Weight 227.5 g (8.02 oz) 658.3333333333334 g (23.22 oz)
Diet -- --
Clutch Size 1 1
Population Trend — —

Conservation Status

Endangered

Zino's Petrel

Least Concern

Antarctic Petrel

About These Birds

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.

Antarctic Petrel

40–46 cm, wingspan 100–110 cm. Striking chocolate-brown and white pattern; only member of its genus. Breeds solely in Antarctica on cliff ledges; among the most southerly-nesting birds. Feeds on fish and krill beneath pack ice. Returns to colonies in October; one of the most abundant Antarctic seabirds.

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