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Trindade Petrel Pterodroma arminjoniana

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  • © Doug Gochfeld

This petrel is named for the HMS Herald, the ship that carried the naturalist who first collected the species. The taxonomy of this species is very much in flux. The Atlantic and Indian Ocean population is arminjoniana, also known as the Trindade Petrel. The Pacific population is heraldica, the true Herald Petrel. In the Pacific it has been recently recognized that dark and pale morphs in fact behave as different species, so the dark birds have been separated as the Henderson Petrel (Pterodroma atrata). The taxonomy used here is provisional, it is quite likely that Trindade and Herald Petrels deserve to be separated as different species. Note that due to the separation of the dark Henderson Petrel, Pacific populations of Herald are now thought to only occur as a pale morph. This is in contrast to the Atlantic Trindade which occurs as pale and dark morphs. Trindade Petrels breed off Brazil, Pacific Heralds do not breed near the Americas.

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© Jennifer F. M. Horne

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  • Year-round
  • Migration
  • Breeding
  • Non-Breeding

Recommended Citation

Trindade Petrel (Pterodroma arminjoniana), In Neotropical Birds Online (T. S. Schulenberg, Editor). Cornell Lab of Ornithology, Ithaca, NY, USA. retrieved from Neotropical Birds Online: https://neotropical.birds.cornell.edu/Species-Account/nb/species/tripet1