Antarctic Prion vs Christmas Shearwater

Pachyptila desolata compared with Puffinus nativitatis

Side-by-Side Comparison

Attribute Antarctic Prion Christmas Shearwater
Scientific Name Pachyptila desolata Puffinus nativitatis
Order Procellariiformes Procellariiformes
Family Procellariidae Procellariidae
Conservation Status Least Concern Least Concern
Length
Wingspan 36.5 cm (14.4 in) 47.1 cm (18.5 in)
Weight 149.0 g (5.26 oz) 357.5 g (12.61 oz)
Diet -- --
Clutch Size 1 1
Population Trend

Habitat Comparison

Shared Habitats

None

Antarctic Prion only

Christmas Shearwater only

None

Conservation Status

Least Concern

Antarctic Prion

Least Concern

Christmas 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.

Christmas Shearwater

35 cm. All-dark sooty-brown shearwater; dark bill and feet. Breeds Christmas and Palmyra islands in central Pacific; ranges in tropical Pacific. Feeds on fish and squid. Distinguished from other dark shearwaters by small size and tropical Pacific range; Near Threatened.

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