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MarineCavity nestMedium · 169 g
ID tip
Masatierra petrel grows to a length of about 26 centimetres (10 in). Its cap and mask are dark grey while its forehead is white. It has dark grey plumage on its upperparts with a distinctive "M" mark, a paler grey partial collar and a white throat, belly and under wing-coverts. When seen from below, the wings have black tips and black trailing edges.
Text from Wikipedia, licensed CC BY-SA 4.0.
When to see the Masatierra Petrel
One bar for each month. Filled bars are the 6 months with records; pale bars are months with none. The wide bar is March, the month with the most records.
Where to see the Masatierra Petrel
The map shades 2 countries with regular records. Everything unshaded has no records. Countries are listed below the map.
About the Masatierra Petrel
Masatierra petrel or De Filippi's petrel, is a species of seabird in the family Procellariidae. It is endemic to Chile where it nests in the Juan Fernández Islands and Desventuradas Islands. Its natural habitats are open seas and rocky shores.
Text adapted from Wikipedia, licensed CC BY-SA 4.0.
Easily confused with
Cape Verde PetrelPterodroma feaeThis long-winged petrel is 33–36 cm in length with an 86–94 cm wingspan.
Bermuda PetrelPterodroma cahowThe Bermuda petrel is a gadfly petrel.
Juan Fernandez PetrelPterodroma externaThe Juan Fernández petrel is a large species of gadfly petrel, 43 cm (17 in) long with a wingspan of 95–97 cm (37–38 in) and a mass of 500 g (1.1 lb).
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