Masatierra Petrel
NameMasatierra Petrel
Common NameMasatierra Petrel
Scientific NamePterodroma defilippiana
FamilyProcellariidae
Wingspan (cm)70
Length (cm)26.5
Weight (g)160
Plumage DetailsDark grey upperparts, including a dark cap that extends below the eye, contrasting sharply with white underparts. The underwing has a dark leading edge and tip, with white underwing coverts. The rump is pale grey.
Vocalization / CallVocalizations at breeding colonies include a series of high-pitched, rapid 'pee-pee-pee' or 'ti-ti-ti' notes, often given at night.
Primary Dietcarnivore
Primary Habitatscoastal
Conservation Statusvulnerable
Geographic RangeEndemic to the Juan Fernández Islands off the coast of Chile, ranging widely in the southeastern Pacific Ocean.
Identifying FeaturesSmall size, Dark cap extending below eye, White underparts, Dark upperparts, Dark leading edge to underwing, Pale grey rump
Description
The Masatierra Petrel is a small, pelagic seabird characterized by its dark upperparts and contrasting white underparts. It spends most of its life at sea, exhibiting a graceful, gliding flight pattern over the open ocean, only returning to remote islands to breed.
