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Heading south: more records of Spectacled Petrels in Argentine waters
Maximiliano Manuel Hernandez (Grupo Vertebrados, Instituto de Investigaciones Marinas y Costeras, Universidad Nacional de Mar del Plata, Argentina) and colleagues have published in the Brazilian Journal of Ornithology on the at-sea distribution of the Spectacled Petrel Procellaria conspicillata.
The paper's abstract follows:
"The Spectacled Petrel Procellaria conspicillata is endemic of the Tristan da Cunha Archipelago, in the South Atlantic Ocean. However, it is scarcely detected in waters off Argentina beyond its traditional distribution along the southwest Atlantic during the breeding season. This study compiles distributional records of Spectacled Petrel for the target area (chiefly between 38°S to 46°S and 23°W to 57°W) obtained in situ, from non-systematic observations at sea, between 2015 and 2018 (totaling 4 trips); and by literature review. Nineteen new sightings of the species are presented. In 46 sightings a total of 65 individuals were recorded chiefly within waters of the Argentine continental shelf (< 200 m) (46%) and oceanic adjacent waters (54%). The bulk of the sightings (95%) were obtained during the species breeding season. In addition, we report the southernmost record of the species in oceanic waters for the southwest Atlantic (46°10'S; 57°06'W)."
For an earlier published sighting off Argentina click here.
Spectacled Petrel at sea, photograph by Ross Wanless
Hernandez, M.M., Copello, S., Borowicz, A. & Seco-Pon, J.P. 2019. Distribution extension of the Spectacled Petrel (Procellaria conspicillata) off the Argentine continental shelf and oceanic adjacent waters. Brazilian Journal of Ornithology 27(2).
John Cooper, ACAP Information Officer, 12 October 2019
ACAP Secretariat
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