Sometimes placed in genus Phalacrocorax, but classification here follows results of a comprehensive molecular phylogeny for the entire family#R. Internal evidence from original description indicates that original spelling must be emended to the plural form#R, as name was explicitly dedicated to two sailors (“deux marins”). Monotypic.
Coasts of Peru to C Chile, with bulk of population off C Peru; also SC Argentina. Post-breeding dispersal N to Ecuador, occasionally to Colombia.
Food and feeding
Status and conservation
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