Little Shearwater vs Antarctic Petrel

Puffinus assimilis compared with Thalassoica antarctica

Side-by-Side Comparison

Attribute Little Shearwater Antarctic Petrel
Scientific Name Puffinus assimilis Thalassoica antarctica
Order Procellariiformes Procellariiformes
Family Procellariidae Procellariidae
Conservation Status Least Concern Least Concern
Length — —
Wingspan 36.0 cm (14.2 in) 59.2 cm (23.3 in)
Weight 198.0 g (6.98 oz) 658.3333333333334 g (23.22 oz)
Diet -- --
Clutch Size 1 1
Population Trend — —

Habitat Comparison

Shared Habitats

None

Little Shearwater only

Antarctic Petrel only

None

Conservation Status

Least Concern

Little Shearwater

Least Concern

Antarctic Petrel

About These Birds

Little Shearwater

25–30 cm. Small shearwater; dark above with white underparts and extensive white on face and sides of neck. Breeds Canary Islands, Madeira, and southern hemisphere islands; ranges in adjacent oceans. Feeds on small fish and squid; fast fluttering flight close to water.

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.

More Birds to Explore