Petrels, Shearwaters, and Diving Petrels
Trindade Petrel
Pterodroma arminjoniana
- Family
- Petrels, Shearwaters, and Diving Petrels (Procellariidae)
- Order
- Procellariiformes
Overview
The Trindade petrel (Pterodroma arminjoniana), also known as the Round island petrel, is a species of seabird and a member of the gadfly petrels. The bird is 35–39 cm (14–15 in) in size, with an 88–102 cm (35–40 in) wingspan.
The petrel has various color morphs: dark and light, as well as intermediates between the two. Previously, two separate populations were considered conspecific, one occurring in the south Pacific, sometimes seen in Hawaii; the other occurring in the south Atlantic, nesting off Brazil, with regular sightings in the Gulf Stream off the southeastern United States.
Summary from Wikipedia, available under CC BY-SA 4.0.
Range and habitat
Breeds Trindade and Martim Vaz islands (off Brazil) and Round Island (off Mauritius); ranges in Indian Ocean to eastern Malagasy waters, and in Atlantic Ocean to Gulf Stream north to Virginia, eastern edge of Caribbean islands, and south to southern Brazil.
Range description: AviList Global Avian Checklist.
Continents
Sources and further reading
- Wikipedia: Trindade petrel
- eBird: sightings, maps and photos
- xeno-canto: sound recordings
- Birds of the World: full species account (subscription)
- BirdLife DataZone: status and threats
- IUCN Red List (threat status)
- AviList global checklist (taxonomy)
Last updated September 29, 2026.
