Peruvian Diving-petrel vs Antarctic Petrel

Pelecanoides garnotii compared with Thalassoica antarctica

Side-by-Side Comparison

Attribute Peruvian Diving-petrel Antarctic Petrel
Scientific Name Pelecanoides garnotii Thalassoica antarctica
Order Procellariiformes Procellariiformes
Family Procellariidae Procellariidae
Conservation Status Near Threatened Least Concern
Length — —
Wingspan 26.8 cm (10.6 in) 59.2 cm (23.3 in)
Weight 193.0 g (6.81 oz) 658.3333333333334 g (23.22 oz)
Diet -- --
Clutch Size 1 1
Population Trend — —

Habitat Comparison

Shared Habitats

None

Peruvian Diving-petrel only

Antarctic Petrel only

None

Conservation Status

Near Threatened

Peruvian Diving-petrel

Least Concern

Antarctic Petrel

About These Birds

Peruvian Diving-petrel

22–24 cm. Small, stocky diving seabird; dark above, white below. Breeds coastal Peru and Chile; non-migratory. Uses wings to 'fly' underwater like alcids; feeds on anchovy and krill in the Humboldt Current. Endangered; highly vulnerable to El Niño events and guano harvesting disturbance.

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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