Photo: Plate: John Gerrard Keulemans, 1842--1912 / Public domain (Wikimedia Commons)

Vulnerable

Seabirds & Tubenoses

Masatierra Petrel

Pterodroma defilippiana

Masatierra Petrel (Pterodroma defilippiana) — Seabirds & Tubenoses of Oceans & Seabirds.

Field guide · LocationsWhere to see this bird

Found across 2 guides in our atlas — open any for the full checklist, photos and what's around right now.

Regional checklists

Birds of Peru

By family

Petrels & Shearwaters of Peru

See what's near you right now

The Masatierra Petrel (Pterodroma defilippiana) is a member of the Procellariidae family found in Oceans & Seabirds. Adults weigh 169 g. The IUCN Red List lists it as Vulnerable.

Conservation status

IUCN Red List

VU Vulnerable

Facing a high risk of extinction in the wild.

Where it fits

Class Aves
Order Procellariiformes
Family Procellariidae Petrels, Shearwaters, Diving Petrels
Genus Pterodroma
Species defilippiana

Where it lives

San Ambrosio and San Felix (Desventuradas Is., far west of north-central Chile) and Santa Clara (southwest of Robinson Crusoe=Mas a Tierra, Juan Fernandez Is., far west of central Chile)

Oceans & Seabirds

Quick facts

Weight: 169 g
Diet: Aquatic hunters
Family: Procellariidae
Order: Procellariiformes
Habitat: Wetland, lake & coast

How to identify

Similar birds

Vulnerable

Biology & behaviour

Diet

The Masatierra Petrel hunts aquatic prey such as fish and aquatic invertebrates.

Behaviour

A bird of open sea and coastal waters, it uses a wide range of foraging strategies.

Migration

The Masatierra Petrel is partially migratory: some populations move with the seasons while others stay resident year-round.

The Masatierra Petrel (Pterodroma defilippiana) belongs to the Procellariidae family of the order Procellariiformes. Its range spans Oceans & Seabirds. Its distribution covers PO San Ambrosio and San Felix (Desventuradas Is., far w of nc Chile) and Santa Clara (sw of Robinson Crusoe=Mas a Tierra, Juan Fernandez Is., far w of c Chile).

It is a medium-sized bird. Adults weighs around 169 g, with a wing length of about 22.6 cm and a tail of around 9.5 cm.

It is classified as Vulnerable on the IUCN Red List and is a focus of conservation concern. Vulnerable species face a high risk of extinction in the wild if pressures continue.

Its mapped global range covers an estimated 1.8 million km².

Frequently asked questions

How big is the Masatierra Petrel?

The Masatierra Petrel is a medium-sized bird that weighs around 169 g.

Where does the Masatierra Petrel live?

The Masatierra Petrel is found across Oceans & Seabirds with a range covering PO San Ambrosio and San Felix (Desventuradas Is., far w of nc Chile) and Santa Clara (sw of Robinson Crusoe=Mas a Tierra, Juan Fernandez Is., far w of c Chile), where it is associated with wetlands, lakes and other open water.

What family does the Masatierra Petrel belong to?

The Masatierra Petrel (Pterodroma defilippiana) belongs to the Procellariidae family, in the order Procellariiformes.

What does the Masatierra Petrel eat?

The Masatierra Petrel hunts aquatic prey such as fish and aquatic invertebrates.

Does the Masatierra Petrel migrate?

The Masatierra Petrel is partially migratory: some populations move with the seasons while others stay resident year-round.

Is the Masatierra Petrel endangered?

It is classified as Vulnerable on the IUCN Red List and is a focus of conservation concern Vulnerable species face a high risk of extinction in the wild if pressures continue.

How large is the Masatierra Petrel's range?

The Masatierra Petrel has a mapped global range of about 1.8 million km².