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Revista de biología marina y oceanografía

On-line version ISSN 0718-1957


HAUSSERMANN, Verena et al. Killer whales in Chilean Patagonia: additional sightings, behavioural observations, and individual identifications. Rev. biol. mar. oceanogr. [online]. 2013, vol.48, n.1, pp.73-85. ISSN 0718-1957.

Very little is known about the killer whales (Orcinus orca) that frequent the waters of Chilean Patagonia. Even information as to whether identified individuals are visitors or residents of the region is unknown. Here, we report on opportunistically collected observations in this region from 2001 through 2012. Killer whales were observed on 119 separate occasions in group sizes ranging from one to groups of over 50 individuals. We also describe observed behaviour and present a first catalogue of individuals in Chilean Patagonia. We identified 49 individuals, only seven of which were sighted more than once.

Keywords : Orcinus orca; Chilean fjord region; group size; feeding behaviour; photo-identification catalogue.

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