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    • First record of leucism in brown pelicans (Pelecanus occidentalis) in Costa Rica 

      Vargas-Masís, Roberto; Arguedas Rodríguez, Pilar (Universidad Nacional (Costa Rica), 2014-12)
      Leucism in birds is rarely observed in the Pelecaniformes order and has not been recorded for the brown pelican (Pelecanus occidentalis) in Costa Rica. We describe an observation of a leucistic brown pelican with white ...