$Dytes occipitalis Wolters,1975-82,Die Vogelarte der Erde,p.16.
von Berlepsch & Stolzmann 1894
Restricted to Lake Junín;breeding generally occurs in bays & channels in outer sector of lake,within 8-75m of reedbeds,entering reeds only for nesting or roosting. When non-breeding prefers open water,occurring far from lake shores;4800m
"Laying during rains;mostly Dec/Jan (late Nov-Mar)." (HBW,1,p.195)