Endangered grebe found mainly in and around Lake Titicaca in southern Peru and western Bolivia; rare on other large lakes in the high Andes of Bolivia. Rather bulky compared to other Andean grebes, with a colorful yellow-and-red bill and a yellow eye-ring. Breeding birds have white throat, cheeks, and foreneck contrasting with cinnamon crown and hindneck. Nonbreeding birds are paler and more washed-out, with less cinnamon in the plumage. Inhabits lakes with reedbeds and floating vegetation.