Giant coot coot, the giant coot is monogamous and the pair builds a huge nest in a highland lake. However, unlike the horned coot, the nest of the giant coot is primarily made of aquatic vegetation and – as it is fiercely territorial – it never forms colonies. Giant coot The giant coot ("Fulica gigantea") is a species of coot from South America. It is found at lakes in the altiplano from central Peru, through western Bolivia, to north-eastern Chile and extreme north-western Argentina. With a total length of 48–64 cm (19–25 in), it is the second largest extant member of the
Chatham coot Chatham coot The Chatham coot ("Fulica chathamensis"), also known as the Chatham Island coot, is an extinct bird in the rail family, Rallidae, that was endemic to the Chatham Islands of New Zealand. It was described from subfossil bones in 1892 by Scottish explorer, ornithologist and botanist Henry Forbes, who was director of the Canterbury Museum in Christchurch at the time. The Chatham coot and the related New Zealand coot ("F. prisca") are classified as coots on the basis of anatomical features of the pelvis and humerus typical of the genus. There has been disagreement regarding the relationship between the