page_title: Hornby's storm petrel
section_title: Breeding
hierarchical_section_title: Hornby's storm petrel / Breeding
caption_attribution_description: Oceanodroma hornbyi, Hornby's Storm-petrel
context_page_description: Hornby's storm petrel, also known as the ringed storm petrel, is a seabird that ranges in the Humboldt Current off the coasts of South America. The species is a very distinctive member of the storm petrel family, with a dark cap, white face and underparts, forked tail and a black band across the chest. It is relatively common in the seas off Peru, Chile and Ecuador. The species is named after Admiral Sir Phipps Hornby.
context_section_description: Little is known about the breeding biology of the Hornby's storm petrel. The first colony of this seabird ever found was discovered in April 2017 by Chilean ornithologists from the Red de Observaodres de Aves y Vida Silvestre de Chile (ROC). Breeding burrows of this seabirds were discovered in the Atacama Desert (northern Chile), over 70 km away from the sea, near the city of Diego de Almagro, not the habitat where one would expect to find this seabird. More breeding sites are expected to be found in Chile and Peru: every year fledglings are found stranded on the city streets of Peru, distracted by the city lights.
  The birds are thought to breed between March and July, as this is when fledglings are regularly seen at sea around Lima, Peru, and Antofagasta, Chile. There have also been reports of mummified fledglings and adults found in crevices in the Atacama Desert 50 km from the sea, and even reports of one fledgling being seen 150 km from the sea, and one unproven report of a bird flying into a nest in the town of Caraz in Peru, 100 km from the sea. The breed's first documented nest was found by a group of volunteer naturalists in the Atacama Desert in April 2017.
caption: Illustration by Joseph Smit, 1896
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