Audubon's Shearwater vs Antarctic Petrel

Puffinus lherminieri compared with Thalassoica antarctica

Side-by-Side Comparison

Attribute Audubon's Shearwater Antarctic Petrel
Scientific Name Puffinus lherminieri Thalassoica antarctica
Order Procellariiformes Procellariiformes
Family Procellariidae Procellariidae
Conservation Status Least Concern Least Concern
Length — —
Wingspan 37.1 cm (14.6 in) 59.2 cm (23.3 in)
Weight 209.0 g (7.37 oz) 658.3333333333334 g (23.22 oz)
Diet -- --
Clutch Size 1 1
Population Trend — —

Habitat Comparison

Shared Habitats

None

Audubon's Shearwater only

Antarctic Petrel only

None

Conservation Status

Least Concern

Audubon's Shearwater

Least Concern

Antarctic Petrel

About These Birds

Audubon's Shearwater

27–33 cm. Small; dark brown above; white below with clean-cut pattern. Breeds Caribbean, tropical Atlantic, Pacific, and Indian Ocean islands. Wide geographic range with multiple subspecies. Feeds on fish; breeds in burrows on oceanic islands; Near Threatened.

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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