Magellanic Diving-petrel vs Antarctic Petrel

Pelecanoides magellani compared with Thalassoica antarctica

Side-by-Side Comparison

Attribute Magellanic Diving-petrel Antarctic Petrel
Scientific Name Pelecanoides magellani Thalassoica antarctica
Order Procellariiformes Procellariiformes
Family Procellariidae Procellariidae
Conservation Status Least Concern Least Concern
Length — —
Wingspan 25.1 cm (9.9 in) 59.2 cm (23.3 in)
Weight 149.25 g (5.26 oz) 658.3333333333334 g (23.22 oz)
Diet -- --
Clutch Size 1 1
Population Trend — —

Habitat Comparison

Shared Habitats

None

Magellanic Diving-petrel only

Antarctic Petrel only

None

Conservation Status

Least Concern

Magellanic Diving-petrel

Least Concern

Antarctic Petrel

About These Birds

Magellanic Diving-petrel

20–24 cm. Dark above, white below; narrow white tips to secondary feathers. Breeds southern Chile and Argentina (Strait of Magellan and Falklands). Year-round resident in coastal cold waters. Feeds on fish and crustaceans by pursuit-diving; nests in burrows on coastal islands.

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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