Antarctic Prion vs Fluttering Shearwater

Pachyptila desolata compared with Puffinus gavia

Side-by-Side Comparison

Attribute Antarctic Prion Fluttering Shearwater
Scientific Name Pachyptila desolata Puffinus gavia
Order Procellariiformes Procellariiformes
Family Procellariidae Procellariidae
Conservation Status Least Concern Least Concern
Length
Wingspan 36.5 cm (14.4 in) 39.6 cm (15.6 in)
Weight 149.0 g (5.26 oz) 267.6666666666667 g (9.44 oz)
Diet -- --
Clutch Size 1 1
Population Trend

Habitat Comparison

Shared Habitats

Antarctic Prion only

None

Fluttering Shearwater only

Conservation Status

Least Concern

Antarctic Prion

Least Concern

Fluttering Shearwater

About These Birds

Antarctic Prion

25–28 cm, wingspan 58–66 cm. Classic prion pattern: pale blue-grey, white below, bold dark M across upperwing. Medium-broad bill. Most abundant and widespread prion; breeds South Georgia, Heard, Kerguelen, Macquarie. Feeds on crustaceans; makes deep dives compared to congeners.

Fluttering Shearwater

33 cm. Dark brown above; white below; relatively short-tailed. Breeds New Zealand North Island coast; non-breeding range restricted to Tasman Sea and nearby waters. Sedentary compared to most shearwaters; feeds on fish and squid. Near Threatened due to small range.

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