Antarctic Prion vs Galapagos Petrel

Pachyptila desolata compared with Pterodroma phaeopygia

Side-by-Side Comparison

Attribute Antarctic Prion Galapagos Petrel
Scientific Name Pachyptila desolata Pterodroma phaeopygia
Order Procellariiformes Procellariiformes
Family Procellariidae Procellariidae
Conservation Status Least Concern Critically Endangered
Length
Wingspan 36.5 cm (14.4 in) 58.9 cm (23.2 in)
Weight 149.0 g (5.26 oz) 410.5 g (14.48 oz)
Diet -- --
Clutch Size 1 1
Population Trend

Habitat Comparison

Shared Habitats

None

Antarctic Prion only

Galapagos Petrel only

Conservation Status

Least Concern

Antarctic Prion

Critically Endangered

Galapagos Petrel

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.

Galapagos Petrel

43 cm. Dark above with white forehead; white underparts with dark collar and carpal bar. Breeds Galapagos Islands; Critically Endangered with rapid decline due to introduced predators. Closely related to Hawaiian Petrel; migrates to eastern Pacific; feeds on squid and fish.

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