This rail lives on rocky-bottom lakes in the high Andes. Adults are dark with a fleshy frontal caruncle and build stone nests that rise to the water surface.
Adults are dark, with an orange-yellow bill marked with black above and a dark fleshy frontal caruncle. Juveniles are paler than adults.
Chile records place breeding in July–December. On rocky-bottom highland lakes, the birds build stone mounds that rise to the water surface.
An extinction-risk assessment has not been added yet.